Equation

Problem 12001

Solve for g in the equation C = (g + w) / 2.

See Solution

Problem 12002

Solve $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1$ for 'x' with no specific values for 'y', 'a', and 'b'.

See Solution

Problem 12003

Find the increase in carbon dioxide levels from 307 ppm in 1959 to 377 ppm in 2005, and calculate the percent increase. Round to the nearest tenth of a percent. Increase: parts per million, Percent increase: $\%$

See Solution

Problem 12004

Find the percentage differences in sales between Seattle ( $390,000$ ) and Portland ( $245,000$ ) for 2012.

See Solution

Problem 12005

Find the area of Chicago given its 2017 population of 2,716,450 and a density of 11,898 people/mi².

See Solution

Problem 12006

Calculate the area of Chicago given its 2017 population of 2,716,450 and a density of 11,898 people per mi².

See Solution

Problem 12007

Determine if each equation defines y as a function of $x$ : 11. $x+y=16$ , 12. $x+y=25$ , 13. $x^{2}+y=16$ , 14. $x^{2}+y=25$ , 15. $x^{2}+y^{2}=16$ , 16. $x^{2}+y^{2}=25$ , 17. $x=y^{2}$ , 18. $4 x=y^{2}$ .

See Solution

Problem 12008

Find the increase in Chicago's African American population from 44,103 to 233,903 between 1910 and 1930. Calculate the rate of change.

See Solution

Problem 12009

Find the lengths of the sides of an isosceles triangle with a perimeter of 182 feet and the shortest side 40 feet shorter.

See Solution

Problem 12010

How many total votes were cast if Rahm Emanuel received 218,217 votes, which is $45.63\%$ of the total?

See Solution

Problem 12011

Solve the equation: $2(9r + 17) = 16r + 6$ . Fill in the blanks and simplify each step.

See Solution

Problem 12012

A car's value fell from \$26,200 to \$24,400. Find the absolute and relative change. Round to the nearest dollar and tenth of a percent.

See Solution

Problem 12013

Determine the center and radius of the circle given by $x^{2}+12x+y^{2}-4y+15=0$ . Choose the correct option.

See Solution

Problem 12014

Calculate the increase in carbon dioxide from 325 ppm in 1959 to 373 ppm in 2005, and find the percent increase: $\%$ .

See Solution

Problem 12015

Solve the equation: $3x - 5 = 7x + 11$ . What is the solution set? Choose A, B, or C.

See Solution

Problem 12016

Solve the equation: $0.95 x - 0.99 = 12.93 - 3.85 x$ . What is $x$ ? A. $x=\square$ , B. all real numbers, C. no solution.

See Solution

Problem 12017

A scientist measures $891 \mathrm{kg}$ ; true value is $700 \mathrm{kg}$ . Find absolute and relative error.

See Solution

Problem 12018

Ian's diet is 30% Fat and 50% Carbs from 3,000 kcal. How many kcal is he eating in Fats? a) 700 kcal b) 800 kcal c) 900 kcal d) 1,000 kcal

See Solution

Problem 12019

Create an equation for this: 19 minus $\frac{5}{3}$ of a number equals 4. Solve for $x$ . Options: A. $19-\frac{5}{3} x=4$ B. $\frac{5}{3}-19 x=4$ C. $19-\frac{5}{3}=4$ D. $5 \frac{5}{3} x-19=4$ . Find $x$ .

See Solution

Problem 12020

Electricity cost in February was \$93.6, up 50\% from January. Find total cost for both months. What is it?

See Solution

Problem 12021

Ian's diet has $30\%$ Fat and $50\%$ Carbs in a total of $3,000 \mathrm{kcal}$ . How many grams of fat is he eating? a) 100 g b) 150 g c) 200 g d) 250 g

See Solution

Problem 12022

Solve for $p$ in the equation: $-15 p - 4(6 - 6 p) = 6(p - 3) - 3$ . What is the solution set? A, B, or C?

See Solution

Problem 12023

A scientist measures $66.8 \mathrm{~m}$ ; true value is $100.0 \mathrm{~m}$ . Find absolute and relative error.
absolute error: relative error:

See Solution

Problem 12024

Solve the equation: $2(9r + 17) = 16r + 6$ . Fill in the missing terms and simplify fractions.

See Solution

Problem 12025

A meal has 75g Carbs, 20g Protein, and 605 total calories. Find grams of Fat. Options: a) 15 b) 25 c) 35 d) 40.

See Solution

Problem 12026

Solve the equation: $\frac{2}{7}(5 x+4)=\frac{1}{2}(3 x-26)+12$ . What is $x$ ? A. $x=\square$ B. All real numbers. C. No solution.

See Solution

Problem 12027

Solve the equation step-by-step, filling in missing terms and simplifying fractions:
$7(4b + 2) + 17b = 14$
Find $b$ after applying the distributive property and combining like terms.

See Solution

Problem 12028

Solve the equation step by step. Fill in the blanks and simplify.
$\begin{aligned} -2(-19 w-14) & =-10 \\ \square+28 & =-10 \\ 38 w & = \\ w & = \end{aligned}$

See Solution

Problem 12029

Solve for $y$ in the equation: $3y + 15 - 7 = 14$ .

See Solution

Problem 12030

Solve the equation step by step and fill in the missing terms. Simplify fractions where needed.
$6(13 w+2)-10=2$
$\square+12-10=2$
$78 w+\square=2$
Find $w$ by applying the distributive property and combining like terms.

See Solution

Problem 12031

Solve the equation and fill in the missing terms:
$3y + 15 - 7 = 14$
Complete:
$3y + \square = 14$
$3y = \square$
$y = \square$

See Solution

Problem 12032

Calculate the final price after a \$105.75 discount on an original price of \$4700.

See Solution

Problem 12033

Solve the equation: $-5(-2x-17)=-5$ . Find $x$ and simplify.

See Solution

Problem 12034

Solve the equation: $-2c + 2 + 11 = 11$ . Find $c$ after simplifying.

See Solution

Problem 12035

Solve the equation: $7(8 s+1) =s+7$ . Fill in missing terms and simplify to find $s =$ .

See Solution

Problem 12036

Find the discount and proceeds for a face value of \$4300, discount rate of 9\%, and time of 90 days.

See Solution

Problem 12037

Solve the equation: -6b + 6 = -2b + 6. Find missing values and simplify. $-4b = \square, \; b = \square$ .

See Solution

Problem 12038

Solve the equation and fill in the blanks. Simplify fractions:
$\begin{aligned} 16 q-8-20 q & =16 \\ \square-8 & =16 \\ -4 q & =\square \\ q & =\square \end{aligned}$

See Solution

Problem 12039

Solve the equation and fill in missing terms. Simplify fractions.
$-8 y-16-5 y =-5 y+8 \\ -13 y-16 =-5 y+8 \\ -8 y-16 =8 \\ -8 y =\square \\ y =$
Divide both sides by -8.

See Solution

Problem 12040

Determina la velocidad de una moneda en caída libre tras $2.0 \mathrm{~s}$ desde reposo en la Torre Colpatria.

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Problem 12041

A scientist measures $71.1 \mathrm{~m}$ ; the true value is $50.0 \mathrm{~m}$ . Find absolute and relative errors.

See Solution

Problem 12042

Solve the equation step by step. Fill in missing terms and simplify:
$4(15 r+5)-6 = 14$
Find $r$ .

See Solution

Problem 12043

Solve the equation: $6(10r+1)=6$ . Find $r$ and simplify any fractions.

See Solution

Problem 12044

Solve the equation step by step and simplify any fractions. Find $a$ in $53 a = 0$ . What is $a$ ?

See Solution

Problem 12045

Find $x$ for $f(x)=x^{2}-2x+4$ where $f(x)=39$ .

See Solution

Problem 12046

Calcula la velocidad de una moneda caída desde la Torre Colpatria después de 1.0 s, comenzando desde el reposo.

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Problem 12047

Martha has 17 CDs (5 rock, 3 blues, 6 pop, 3 R&B). What’s the probability of picking a blues CD? Simplify your answer.

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Problem 12048

Solve the equation step by step and fill in missing terms: $4(7d+2)+6=14$ . Simplify fractions where needed.

See Solution

Problem 12049

What must be true for the probability of a randomly selected person having blood type A to be $P(A)=\frac{1}{4}$ ? Is this true?

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Problem 12050

Find $m \angle XYW$ and $m \angle WYZ$ if they are complementary to $m \angle XYZ=117^{\circ}$ .

See Solution

Problem 12051

Find the measures of angles $XYW$ and $WYZ$ if $m \angle XYZ = 117^{\circ}$ and they are supplementary.

See Solution

Problem 12052

Solve the equation for $r$ :
$19r + 2 + 17r = 13r + 2$
Simplify and fill in the missing steps.

See Solution

Problem 12053

Solve the equation and fill in the missing terms:
5v + 15 = 3v + 17
Subtract 3v:
2v = \square
Subtract 15:
v = \square (Divide by 2)

See Solution

Problem 12054

Solve the equation step-by-step and fill in the blanks:
$19 r+2+17 r= 13 r+2$ $36 r+2 =13 r+2$ $23 r+2 =2$ $23 r =\square$ $r =\square$

See Solution

Problem 12055

Solve the equation: $19r + 2 + 17r = 13r + 2$ . Simplify fractions and find $r$ .

See Solution

Problem 12056

Solve the equation: $2(14d + 4) = 15d + 8$ . Simplify and find $d$ .

See Solution

Problem 12057

Solve the equations: 3q + 6 = q + 8 and 2q + 6 = 8. Find $2q=$ , $q=$ , and simplify fractions.

See Solution

Problem 12058

Does the equation $x - 6 = y^2$ define $y$ as a function of $x$ ? Yes or No?

See Solution

Problem 12059

Solve the equation: $16w + 17 + 14w = 17$ . Simplify and find $w$ . What is $w = \square$ ?

See Solution

Problem 12060

Solve the equation and find $p$ in the steps below. Simplify any fractions.
$17 p+1+p =19 \\ 18 p+1 =19 \\ 18 p =18 \\ p =\square \quad \text{(Divide both sides by 18)}$

See Solution

Problem 12061

Solve the equation step by step and find $b$ . Fill in missing terms and simplify.
$2(3 b+5)+12 b =13 b+15$

See Solution

Problem 12062

Solve the equation: $3(x+3)+x = 2x+15$ . Fill in missing terms and simplify fractions. Find $x$ .

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Problem 12063

Bert made 3 batches of sauce using 24 ounces total, reducing hot sauce by 2 ounces per batch. Find $u$ : usual amount per batch.
Which equation to use? $3(u-2)=24$ $3 u-2=24$ $2 u-3=24$ $2(u-3)=24$
What is $u$ ? Answer in ounces.

See Solution

Problem 12064

Solve for $x$ : $(x+5)^{4/3} = 256$

See Solution

Problem 12065

Ms. Garza ordered 9 cases of caramel apples, sold 685, and had 35 left. What equation finds apples per case? $9c - 685 = 35$

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Problem 12066

Rhianna buys 6 chairs for \ $455 after a \$55 discount. Find the equation for the regular cost,$ c$, of each chair.

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Problem 12067

The Logan family rents a beach house for 9 days, paying \ $920 after a \$25 discount. Find the daily charge$ d$:
$9d - 25 = 920$

See Solution

Problem 12068

Find the volume of a wood block with a density of $0.6 \mathrm{~g} / \mathrm{cm}^{3}$ and mass of $120 \mathrm{~g}$ . $200 \mathrm{~cm}^{3}$ $200.0 \mathrm{ml}$ $0.005 \mathrm{~cm}^{3}$

See Solution

Problem 12069

Find the fixed points of the sequence defined by $a_{n+1}=\sqrt{30 a_{n}}$ .

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Problem 12070

Find fixed points of the sequence defined by $a_{n+1}=\frac{1}{2}\left(a_{n}+\frac{3}{a_{n}}\right)$ .

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Problem 12071

A scientist measures $81.1 \mathrm{~cm}^{3}$ ; true value is $60.0 \mathrm{~cm}^{3}$ . Find absolute and relative error.

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Problem 12072

Find the value of $x$ if $\log _{4} 64 = x$ . What is $x$ ?

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Problem 12073

Find the equation of a line parallel to the one with slope $1/2$ that passes through $(0,-3)$ .

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Problem 12074

Rewrite the logarithmic equation $\ln y=9$ as an exponential equation.

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Problem 12075

Find a linear equation for the line through $(1,4)$ with slope 6.

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Problem 12076

Solve the equation: $\log_{8} x^{2} = 4$ .

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Problem 12077

Find the linear equation of the line through the points $(1,-6)$ and $(-1,-1)$ . $y(x) =$

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Problem 12078

Find the area of a scale drawing of a parallelogram where the scale is $10 \mathrm{~cm}$ for every $8 \mathrm{~m}$ on the sculpture. Base: $4.2 \mathrm{~m}$ , heights: $5 \mathrm{~m}$ and $6 \mathrm{~m}$ .

See Solution

Problem 12079

Find the absolute and relative error for a measurement of $146 \mathrm{cm}^3$ when the true value is $100 \mathrm{cm}^3$ .

See Solution

Problem 12080

A scientist measures $561 \mathrm{g/m}^3$ ; the true value is $400 \mathrm{g/m}^3$ . Find absolute and relative error.

See Solution

Problem 12081

A printing service has a set-up fee of \ $11.00 and charges \$0.15 per copy. Find the cost for 40 copies using$ C=11.00+0.15x$.

See Solution

Problem 12082

Raina's phone card has $C=45.00-0.06x$ . How much credit is left after 15 minutes of calls?

See Solution

Problem 12083

Find $\log_{b} \frac{A}{B}$ given $\log_{b} A=2$ and $\log_{b} B=-4$ .

See Solution

Problem 12084

Solve the equation $2^{x+6}=7$ and find the decimal approximation of $x$ to two decimal places.

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Problem 12085

Express y in terms of x given that C is a positive constant: $\ln y = \ln 4 x + \ln C$ .

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Problem 12086

Express y in terms of x given: $\ln y = \ln 4 x + \ln C$ where C is a positive constant.

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Problem 12087

A copper atom weighs $1.06 \times 10^{-22} \mathrm{~g}$ , and a penny weighs $2.5 \mathrm{~g}$ . Find moles of copper in a penny.

See Solution

Problem 12088

A 9-foot ribbon is cut into two pieces, with one piece being 1 foot longer. Find the lengths of the pieces.

See Solution

Problem 12089

A copper atom weighs $1.06 \times 10^{-22} \mathrm{~g}$ ; a penny weighs $2.5 \mathrm{~g}$ . Find the mass of 1 mole of copper and how many moles equal a penny's mass.

See Solution

Problem 12090

Find a linear equation for the line passing through the points $(0.5,-0.75)$ and $(1,-5.75)$ . $y(x)=$

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Problem 12091

A tower is three times the height of a building and is 50 m taller. Find the height of the tower.

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Problem 12092

Carissa comió arándanos desde el jueves hasta el miércoles, totalizando 161. ¿Cuántos comió el jueves si aumenta 7 cada día?

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Problem 12093

An oxygen atom weighs $2.66 \times 10^{-23} \mathrm{~g}$ ; a glass of water weighs $0.050 \mathrm{~kg}$ .
1. Find the mass of 1 mole of oxygen atoms: $\square \mathrm{g}$ .
2. How many moles of oxygen equal the mass of water? $\square$ .

See Solution

Problem 12094

How long, in seconds, until waste from 400 feet hits the ground using $h(t)=-16 t^{2}+400$ ? [?] seconds

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Problem 12095

Calculate the annual straight-line depreciation $D$ for an item costing \ $15,963 with a life of 13 years:$ D=(1/n)x$.

See Solution

Problem 12096

Find the annual straight-line depreciation for an item costing \ $15,963 with a life of 13 years. Use$ D=(1/n)x$.

See Solution

Problem 12097

A hailstone falls from $1,600 \mathrm{ft}$ . Using $h(t)=-16t^{2}+1600$ , find when it hits the ground: $h(t)=0$ . [?] seconds

See Solution

Problem 12098

Lydia worked hours on Tuesday and Wednesday. If she earns \$18/hour, calculate her total pay for both days.

See Solution

Problem 12099

Solve $\sqrt{y-19}=2$ and verify your solution for $y$ .

See Solution

Problem 12100

Find the first full year when the percent change in beer shipments reaches $-34\%$ using $y=-4.1x+28.7$ . What does $-34\%$ mean?

See Solution

1 ...118 119 120 121 122 123 124 ...188

Equation

Problem 12001

Solve for g in the equation C = (g + w) / 2.

Problem 12002

Solve x2a2−y2b2=1\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1a2x2​−b2y2​=1 for 'x' with no specific values for 'y', 'a', and 'b'.

Problem 12003

Find the increase in carbon dioxide levels from 307 ppm in 1959 to 377 ppm in 2005, and calculate the percent increase. Round to the nearest tenth of a percent. Increase: parts per million, Percent increase: %\%%

Problem 12004

Find the percentage differences in sales between Seattle (390,000390,000390,000) and Portland (245,000245,000245,000) for 2012.

Problem 12005

Find the area of Chicago given its 2017 population of 2,716,450 and a density of 11,898 people/mi².

Problem 12006

Calculate the area of Chicago given its 2017 population of 2,716,450 and a density of 11,898 people per mi².

Problem 12007

Determine if each equation defines y as a function of xxx: 11. x+y=16x+y=16x+y=16, 12. x+y=25x+y=25x+y=25, 13. x2+y=16x^{2}+y=16x2+y=16, 14. x2+y=25x^{2}+y=25x2+y=25, 15. x2+y2=16x^{2}+y^{2}=16x2+y2=16, 16. x2+y2=25x^{2}+y^{2}=25x2+y2=25, 17. x=y2x=y^{2}x=y2, 18. 4x=y24 x=y^{2}4x=y2.

Problem 12008

Find the increase in Chicago's African American population from 44,103 to 233,903 between 1910 and 1930. Calculate the rate of change.

Problem 12009

Find the lengths of the sides of an isosceles triangle with a perimeter of 182 feet and the shortest side 40 feet shorter.

Problem 12010

How many total votes were cast if Rahm Emanuel received 218,217 votes, which is 45.63%45.63\%45.63% of the total?

Problem 12011

Solve the equation: 2(9r+17)=16r+62(9r + 17) = 16r + 62(9r+17)=16r+6. Fill in the blanks and simplify each step.

Problem 12012

A car's value fell from \$26,200 to \$24,400. Find the absolute and relative change. Round to the nearest dollar and tenth of a percent.

Problem 12013

Determine the center and radius of the circle given by x2+12x+y2−4y+15=0x^{2}+12x+y^{2}-4y+15=0x2+12x+y2−4y+15=0. Choose the correct option.

Problem 12014

Calculate the increase in carbon dioxide from 325 ppm in 1959 to 373 ppm in 2005, and find the percent increase: %\%%.

Problem 12015

Solve the equation: 3x−5=7x+113x - 5 = 7x + 113x−5=7x+11. What is the solution set? Choose A, B, or C.

Problem 12016

Solve the equation: 0.95x−0.99=12.93−3.85x0.95 x - 0.99 = 12.93 - 3.85 x0.95x−0.99=12.93−3.85x. What is xxx? A. x=□x=\squarex=□, B. all real numbers, C. no solution.

Problem 12017

A scientist measures 891kg891 \mathrm{kg}891kg; true value is 700kg700 \mathrm{kg}700kg. Find absolute and relative error.

Problem 12018

Ian's diet is 30% Fat and 50% Carbs from 3,000 kcal. How many kcal is he eating in Fats? a) 700 kcal b) 800 kcal c) 900 kcal d) 1,000 kcal

Problem 12019

Create an equation for this: 19 minus 53\frac{5}{3}35​ of a number equals 4. Solve for xxx. Options: A. 19−53x=419-\frac{5}{3} x=419−35​x=4 B. 53−19x=4\frac{5}{3}-19 x=435​−19x=4 C. 19−53=419-\frac{5}{3}=419−35​=4 D. 553x−19=45 \frac{5}{3} x-19=4535​x−19=4. Find xxx.

Problem 12020

Electricity cost in February was \$93.6, up 50\% from January. Find total cost for both months. What is it?

Problem 12021

Ian's diet has 30%30\%30% Fat and 50%50\%50% Carbs in a total of 3,000kcal3,000 \mathrm{kcal}3,000kcal. How many grams of fat is he eating? a) 100 g b) 150 g c) 200 g d) 250 g

Problem 12022

Solve for ppp in the equation: −15p−4(6−6p)=6(p−3)−3-15 p - 4(6 - 6 p) = 6(p - 3) - 3−15p−4(6−6p)=6(p−3)−3. What is the solution set? A, B, or C?

Problem 12023

A scientist measures 66.8 m66.8 \mathrm{~m}66.8 m; true value is 100.0 m100.0 \mathrm{~m}100.0 m. Find absolute and relative error. absolute error: relative error:

Problem 12024

Solve the equation: 2(9r+17)=16r+62(9r + 17) = 16r + 62(9r+17)=16r+6. Fill in the missing terms and simplify fractions.

Problem 12025

A meal has 75g Carbs, 20g Protein, and 605 total calories. Find grams of Fat. Options: a) 15 b) 25 c) 35 d) 40.

Problem 12026

Solve the equation: 27(5x+4)=12(3x−26)+12\frac{2}{7}(5 x+4)=\frac{1}{2}(3 x-26)+1272​(5x+4)=21​(3x−26)+12. What is xxx? A. x=□x=\squarex=□ B. All real numbers. C. No solution.

Problem 12027

Solve the equation step-by-step, filling in missing terms and simplifying fractions: 7(4b+2)+17b=14 7(4b + 2) + 17b = 14 7(4b+2)+17b=14Find bbb after applying the distributive property and combining like terms.

Problem 12028

Solve the equation step by step. Fill in the blanks and simplify.−2(−19w−14)=−10□+28=−1038w=w= \begin{aligned} -2(-19 w-14) & =-10 \\ \square+28 & =-10 \\ 38 w & = \\ w & = \end{aligned} −2(−19w−14)□+2838ww​=−10=−10==​

Problem 12029

Solve for yyy in the equation: 3y+15−7=143y + 15 - 7 = 143y+15−7=14.

Problem 12030

Solve the equation step by step and fill in the missing terms. Simplify fractions where needed. 6(13w+2)−10=2 6(13 w+2)-10=2 6(13w+2)−10=2 □+12−10=2 \square+12-10=2 □+12−10=2 78w+□=2 78 w+\square=2 78w+□=2 Find www by applying the distributive property and combining like terms.

Problem 12031

Solve the equation and fill in the missing terms: 3y+15−7=14 3y + 15 - 7 = 14 3y+15−7=14 Complete: 3y+□=14 3y + \square = 14 3y+□=14 3y=□ 3y = \square 3y=□ y=□ y = \square y=□

Problem 12032

Calculate the final price after a \$105.75 discount on an original price of \$4700.

Problem 12033

Solve the equation: −5(−2x−17)=−5-5(-2x-17)=-5−5(−2x−17)=−5. Find xxx and simplify.

Problem 12034

Solve the equation: −2c+2+11=11-2c + 2 + 11 = 11−2c+2+11=11. Find ccc after simplifying.

Problem 12035

Solve the equation: 7(8s+1)=s+77(8 s+1) =s+77(8s+1)=s+7. Fill in missing terms and simplify to find s=s =s=.

Problem 12036

Find the discount and proceeds for a face value of \$4300, discount rate of 9\%, and time of 90 days.

Problem 12037

Solve the equation: -6b + 6 = -2b + 6. Find missing values and simplify. −4b=□, b=□-4b = \square, \; b = \square−4b=□,b=□.

Problem 12038

Solve the equation and fill in the blanks. Simplify fractions: 16q−8−20q=16□−8=16−4q=□q=□ \begin{aligned} 16 q-8-20 q & =16 \\ \square-8 & =16 \\ -4 q & =\square \\ q & =\square \end{aligned} 16q−8−20q□−8−4qq​=16=16=□=□​

Problem 12039

Solve the equation and fill in missing terms. Simplify fractions. −8y−16−5y=−5y+8−13y−16=−5y+8−8y−16=8−8y=□y= -8 y-16-5 y =-5 y+8 \\ -13 y-16 =-5 y+8 \\ -8 y-16 =8 \\ -8 y =\square \\ y = −8y−16−5y=−5y+8−13y−16=−5y+8−8y−16=8−8y=□y=Divide both sides by -8.

Problem 12040

Solve $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1$ for 'x' with no specific values for 'y', 'a', and 'b'.

Find the increase in carbon dioxide levels from 307 ppm in 1959 to 377 ppm in 2005, and calculate the percent increase. Round to the nearest tenth of a percent. Increase: parts per million, Percent increase: $\%$

Find the percentage differences in sales between Seattle ( $390,000$ ) and Portland ( $245,000$ ) for 2012.

Determine if each equation defines y as a function of $x$ : 11. $x+y=16$ , 12. $x+y=25$ , 13. $x^{2}+y=16$ , 14. $x^{2}+y=25$ , 15. $x^{2}+y^{2}=16$ , 16. $x^{2}+y^{2}=25$ , 17. $x=y^{2}$ , 18. $4 x=y^{2}$ .

How many total votes were cast if Rahm Emanuel received 218,217 votes, which is $45.63\%$ of the total?

Solve the equation: $2(9r + 17) = 16r + 6$ . Fill in the blanks and simplify each step.

Determine the center and radius of the circle given by $x^{2}+12x+y^{2}-4y+15=0$ . Choose the correct option.

Calculate the increase in carbon dioxide from 325 ppm in 1959 to 373 ppm in 2005, and find the percent increase: $\%$ .

Solve the equation: $3x - 5 = 7x + 11$ . What is the solution set? Choose A, B, or C.

Solve the equation: $0.95 x - 0.99 = 12.93 - 3.85 x$ . What is $x$ ? A. $x=\square$ , B. all real numbers, C. no solution.

A scientist measures $891 \mathrm{kg}$ ; true value is $700 \mathrm{kg}$ . Find absolute and relative error.

Create an equation for this: 19 minus $\frac{5}{3}$ of a number equals 4. Solve for $x$ . Options: A. $19-\frac{5}{3} x=4$ B. $\frac{5}{3}-19 x=4$ C. $19-\frac{5}{3}=4$ D. $5 \frac{5}{3} x-19=4$ . Find $x$ .

Ian's diet has $30\%$ Fat and $50\%$ Carbs in a total of $3,000 \mathrm{kcal}$ . How many grams of fat is he eating? a) 100 g b) 150 g c) 200 g d) 250 g

Solve for $p$ in the equation: $-15 p - 4(6 - 6 p) = 6(p - 3) - 3$ . What is the solution set? A, B, or C?

A scientist measures $66.8 \mathrm{~m}$ ; true value is $100.0 \mathrm{~m}$ . Find absolute and relative error.
absolute error: relative error:

Solve the equation: $2(9r + 17) = 16r + 6$ . Fill in the missing terms and simplify fractions.

Solve the equation: $\frac{2}{7}(5 x+4)=\frac{1}{2}(3 x-26)+12$ . What is $x$ ? A. $x=\square$ B. All real numbers. C. No solution.

Solve the equation step-by-step, filling in missing terms and simplifying fractions:
$7(4b + 2) + 17b = 14$
Find $b$ after applying the distributive property and combining like terms.

Solve the equation step by step. Fill in the blanks and simplify.
$\begin{aligned} -2(-19 w-14) & =-10 \\ \square+28 & =-10 \\ 38 w & = \\ w & = \end{aligned}$

Solve for $y$ in the equation: $3y + 15 - 7 = 14$ .

Solve the equation step by step and fill in the missing terms. Simplify fractions where needed.
$6(13 w+2)-10=2$
$\square+12-10=2$
$78 w+\square=2$
Find $w$ by applying the distributive property and combining like terms.

Solve the equation and fill in the missing terms:
$3y + 15 - 7 = 14$
Complete:
$3y + \square = 14$
$3y = \square$
$y = \square$

Solve the equation: $-5(-2x-17)=-5$ . Find $x$ and simplify.

Solve the equation: $-2c + 2 + 11 = 11$ . Find $c$ after simplifying.

Solve the equation: $7(8 s+1) =s+7$ . Fill in missing terms and simplify to find $s =$ .

Solve the equation: -6b + 6 = -2b + 6. Find missing values and simplify. $-4b = \square, \; b = \square$ .

Solve the equation and fill in the blanks. Simplify fractions:
$\begin{aligned} 16 q-8-20 q & =16 \\ \square-8 & =16 \\ -4 q & =\square \\ q & =\square \end{aligned}$

Solve the equation and fill in missing terms. Simplify fractions.
$-8 y-16-5 y =-5 y+8 \\ -13 y-16 =-5 y+8 \\ -8 y-16 =8 \\ -8 y =\square \\ y =$
Divide both sides by -8.

Determina la velocidad de una moneda en caída libre tras $2.0 \mathrm{~s}$ desde reposo en la Torre Colpatria.

A scientist measures $71.1 \mathrm{~m}$ ; the true value is $50.0 \mathrm{~m}$ . Find absolute and relative errors.

Solve the equation step by step. Fill in missing terms and simplify:
$4(15 r+5)-6 = 14$
Find $r$ .

Solve the equation: $6(10r+1)=6$ . Find $r$ and simplify any fractions.

Solve the equation step by step and simplify any fractions. Find $a$ in $53 a = 0$ . What is $a$ ?

Find $x$ for $f(x)=x^{2}-2x+4$ where $f(x)=39$ .

Solve the equation step by step and fill in missing terms: $4(7d+2)+6=14$ . Simplify fractions where needed.

What must be true for the probability of a randomly selected person having blood type A to be $P(A)=\frac{1}{4}$ ? Is this true?

Find $m \angle XYW$ and $m \angle WYZ$ if they are complementary to $m \angle XYZ=117^{\circ}$ .

Find the measures of angles $XYW$ and $WYZ$ if $m \angle XYZ = 117^{\circ}$ and they are supplementary.

Solve the equation for $r$ :
$19r + 2 + 17r = 13r + 2$
Simplify and fill in the missing steps.

Solve the equation and fill in the missing terms:
5v + 15 = 3v + 17
Subtract 3v:
2v = \square
Subtract 15:
v = \square (Divide by 2)

Solve the equation step-by-step and fill in the blanks:
$19 r+2+17 r= 13 r+2$ $36 r+2 =13 r+2$ $23 r+2 =2$ $23 r =\square$ $r =\square$

Solve the equation: $19r + 2 + 17r = 13r + 2$ . Simplify fractions and find $r$ .

Solve the equation: $2(14d + 4) = 15d + 8$ . Simplify and find $d$ .

Solve the equations: 3q + 6 = q + 8 and 2q + 6 = 8. Find $2q=$ , $q=$ , and simplify fractions.

Does the equation $x - 6 = y^2$ define $y$ as a function of $x$ ? Yes or No?

Solve the equation: $16w + 17 + 14w = 17$ . Simplify and find $w$ . What is $w = \square$ ?

Solve the equation and find $p$ in the steps below. Simplify any fractions.
$17 p+1+p =19 \\ 18 p+1 =19 \\ 18 p =18 \\ p =\square \quad \text{(Divide both sides by 18)}$

Solve the equation step by step and find $b$ . Fill in missing terms and simplify.
$2(3 b+5)+12 b =13 b+15$

Solve the equation: $3(x+3)+x = 2x+15$ . Fill in missing terms and simplify fractions. Find $x$ .

Solve for $x$ : $(x+5)^{4/3} = 256$

Ms. Garza ordered 9 cases of caramel apples, sold 685, and had 35 left. What equation finds apples per case? $9c - 685 = 35$

Rhianna buys 6 chairs for \ $455 after a \$55 discount. Find the equation for the regular cost,$ c$, of each chair.

The Logan family rents a beach house for 9 days, paying \ $920 after a \$25 discount. Find the daily charge$ d$:
$9d - 25 = 920$

Find the volume of a wood block with a density of $0.6 \mathrm{~g} / \mathrm{cm}^{3}$ and mass of $120 \mathrm{~g}$ . $200 \mathrm{~cm}^{3}$ $200.0 \mathrm{ml}$ $0.005 \mathrm{~cm}^{3}$

Find the fixed points of the sequence defined by $a_{n+1}=\sqrt{30 a_{n}}$ .

Find fixed points of the sequence defined by $a_{n+1}=\frac{1}{2}\left(a_{n}+\frac{3}{a_{n}}\right)$ .

A scientist measures $81.1 \mathrm{~cm}^{3}$ ; true value is $60.0 \mathrm{~cm}^{3}$ . Find absolute and relative error.

Find the value of $x$ if $\log _{4} 64 = x$ . What is $x$ ?

Find the equation of a line parallel to the one with slope $1/2$ that passes through $(0,-3)$ .

Rewrite the logarithmic equation $\ln y=9$ as an exponential equation.