Expression

Problem 4501

What is 5 tens + 1 one + 4 tenths + 39 hundredths in standard form? Options: (A) 51.439 (B) 51.1439 (C) 51.79 (D) 52.79

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Problem 4502

Select all correct representations of 73.218. Options: 1) 73 ones + 218 thousandths 2) 7 tens + 3 ones + 218 thousandths 3) 73 tens + 218 thousandths 4) 7 tens + 3 ones + 2 tenths + 18 hundredths 5) 7 tens + 3 ones + 2 tenths + 18 thousandths

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Problem 4503

Write 2.075 in words and identify the place and value of the digit 5.

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Problem 4504

Calculate the sum of 18 nnes, 20 hundredths, and 5 thousandths.

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Problem 4505

Find the height change per second as the elevator descends 420 meters in 60 seconds. What is the integer value?

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Problem 4506

Arrange these fractions in decreasing order: $\frac{5}{6}, \frac{1}{3}, \frac{7}{3}, \frac{5}{2}, \frac{5}{4}$ .

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Problem 4507

Find the altitude change per minute for a balloon that descended 2,700 feet in 135 minutes. What is the value?

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Problem 4508

Evaluate $x+y$ where $x=\sqrt{5}+\sqrt{3}$ and $y=\sqrt{5}-\sqrt{3}$ .

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Problem 4509

Evaluate the integral $\int_{0}^{a} x \sqrt{a^{2}-x^{2}} \, dx$ .

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Problem 4510

Convert the unit fraction $\frac{1}{4}$ to a percentage. What is it?

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Problem 4511

Convert $80\%$ to its simplest fraction form. Options: $\frac{1}{8}$ , $\frac{4}{5}$ , $\frac{8}{10}$ , $\frac{40}{50}$ .

See Solution

Problem 4512

Convert $49\%$ to a decimal. How many places does the decimal point move? What is the decimal form?

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Problem 4513

Find the actual distance from town A to town B at a scale of 1 cm: 100 km. Choose A-D. 400 cm, 400 km, 25 km, 0.04 cm.

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Problem 4514

Find the probability of the letter $O$ in "BOOK". What is the distance from town $A$ to town $B$ at a scale of $1 \mathrm{~cm}: 100 \mathrm{~km}$ ? Round 55.89934 to three decimals.

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Problem 4515

Convert $124_{6}$ to base ten to find the total number of pens in the box.

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Problem 4516

Evaluate the expression $6^{2} - (3^{2} + 1)$ .

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Problem 4517

Calculate $6^{2} - (3^{2} + 1)$ .

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Problem 4518

Calculate $\frac{2}{3} \div \frac{4}{3} + \left(\frac{8}{5} - 1 \frac{2}{5}\right)^{2}$ .

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Problem 4519

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{44}}{5}$ . Rationalize denominators if needed.

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Problem 4520

Calculate $64500 \cdot 10^{3}$ .

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Problem 4521

Find the exact values of $\sin \theta$ and $\cos \theta$ if $\tan \theta = -\frac{3}{4}$ in quadrant II.

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Problem 4522

Show $\frac{5}{3} \times \frac{3}{4}$ on a number line. Is it less than, greater than, or equal to $\frac{3}{4}$ ?

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Problem 4523

Simplify: $\frac{18}{3}=$

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Problem 4524

What is the probability of guessing a 5-digit code from 5 unique numbers? A. $\frac{1}{12}$ B. $\frac{1}{120}$ C. $\frac{1}{40}$ D. $\frac{1}{60}$

See Solution

Problem 4525

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{117}}{6}$ . Simplify your answer.

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Problem 4526

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{44}}{2}$ . Simplify your answer.

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Problem 4527

Find (a) the complement and (b) the supplement of an angle measuring $17^{\circ} 15^{\prime}$ .

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Problem 4528

Calculate $2 \frac{3}{8} + \left(-4 \frac{1}{4}\right)$ . Choose from: $-2 \frac{1}{3}$ , $-1 \frac{7}{8}$ , $1 \frac{7}{8}$ , $2 \frac{1}{2}$ .

See Solution

Problem 4529

Find (a) the complement and (b) the supplement of an angle measuring $17^{\circ} 15^{\prime}$ .

See Solution

Problem 4530

Find the complement and supplement of an angle measuring $22^{\circ} 13^{\prime}$ .

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Problem 4531

Calculate the sum of the points on a number line from -2 to 2. Possible answers: (A) -4, (B) 0, (C) 2, (D) 4.

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Problem 4532

Round $6.24159$ to two decimal places.

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Problem 4533

Find the distance between points $A$ at 14 and $D$ at 50 on a number line.

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Problem 4534

Find the integral $\int \frac{x^{2}}{x^{3}+9} d x$ and provide the result in terms of $c$ .

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Problem 4535

Calculate the distance between points A(4,9) and B(2,-3) using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

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Problem 4536

Calculate the distance between points A(4,9) and C(9,0) using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

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Problem 4537

Calculate the distance between points B(2,-3) and C(9,0) using the formula: $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

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Problem 4538

Find the distances between points A(4,9), B(-2,-3), and C(0,0). Round to the nearest tenth.

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Problem 4539

Calvin sells large paintings for \$ 56.25 and small ones for \$ 34.89. How much does he make selling one of each?

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Problem 4540

Write the expression $x_{1}^{2} f\left(x_{1}\right)+x_{2}^{2} f\left(x_{2}\right)+x_{3}^{2} f\left(x_{3}\right)+x_{4}^{2} f\left(x_{4}\right)+x_{5}^{2} f\left(x_{5}\right)$ in summation notation. Choose the correct option.

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Problem 4541

Rewrite the expression (60 - (2 + 3 × 8) + 16 ÷ 2 × 4) - (49 ÷ 7 + 7). Which option is correct?

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Problem 4542

Find how many men are needed to move $x$ boxes and how many of 680 bulbs are non-defective. Choose the correct option.

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Problem 4543

Evaluate $(4a+c) \div b - (bd) \div(ac)$ for $a=-2$ , $b=3$ , $c=-1$ , $d=1$ . What is the result?

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Problem 4544

Simplify the expression $\frac{6 y-2}{4 y^{2}}-\frac{2}{3 y}+\frac{1}{y^{2}}$ and choose the correct result. Options: a. $\frac{y+3}{3 y^{2}}$ , b. $10 y+6$ , c. $\frac{10 y-5}{12 y^{2}}$ , d. $\frac{5 y+3}{6 y^{2}}$ .

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Problem 4545

Find the value of $c$ for which $x^{2}+10x+c$ is a perfect square. Options: A. 100 B. 20 C. 5 D. 25

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Problem 4546

Write 26,832 as an expanded form using place values.

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Problem 4547

Add the numbers 42 and 29. What is the result?

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Problem 4548

Write 563235 in numerical form.

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Problem 4549

How many total crayons and markers did Elsa put in the bucket if she has 27 crayons and 23 markers? $27 + 23$

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Problem 4550

Calculate $15+(16-6) \times 1$ .

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Problem 4551

Calculate the value of $(18+23+22) \div 9$ .

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Problem 4552

Calculate the expression: $15 + (16 - 6) \times 1$

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Problem 4553

Calculate $\left(\frac{1}{2}+\frac{1}{2}\right) \times 5$ .

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Problem 4554

Calculate $80 - 6 \times 5 \times 2$ .

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Problem 4555

Evaluate $9 \times(40+5)$ in two different methods.

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Problem 4556

Find the result of dividing 0.03 by 10: $0.03 \div 10 =$

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Problem 4557

Simplify the expression: $(2 x-1)^{2}-(x+2)^{2}$ .

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Problem 4558

Calculate $0.008 \times 100$ .

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Problem 4559

Calculate $0.03 \times 1,000$ .

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Problem 4560

Beregn rabatpriser: a) $70\%$ af $680$ , b) $70\%$ af $870$ , c) $25\%$ af $392$ , d) $30\%$ af $350$ , e) $20\%$ af $260$ , f) $22\%$ af $550$ , g) $20\%$ af $195$ , h) $92\%$ af $150$ .

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Problem 4561

Beregn rabatten: a) $75\%$ af $352$ ; b) $25\%$ af $176$ ; c) $16\%$ af $650$ ; d) $72\%$ af $175$ ; e) $25\%$ af $476$ ; f) $12\%$ af $750$ ; g) $65\%$ af $260$ ; h) $15\%$ af $620$ .

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Problem 4562

Find the discount on these amounts without a calculator: a) $10\%$ of $110 \mathrm{kr}=$ b) $50\%$ of $250 \mathrm{kr}=$ c) $20\%$ of $220 \mathrm{kr}=$ d) $10\%$ of $350 \mathrm{kr}=$ e) $40\%$ of $460 \mathrm{kr}=$ f) $80\%$ of $510 \mathrm{kr}=$

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Problem 4563

Find the limit: $\lim _{x \rightarrow \pi} \frac{\cos x+\sin (2 x)+1}{x^{2}-\pi^{2}}$ . Options: (A) $\frac{1}{2 \pi}$ (B) $\frac{1}{\pi}$ (C) 1 (D) nonexistent.

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Problem 4564

Beregn rabatpriser: a) $75\%$ af $352$ , b) $25\%$ af $176$ , c) $16\%$ af $650$ , d) $72\%$ af $175$ , e) $25\%$ af $476$ , f) $12\%$ af $750$ , g) $65\%$ af $260$ , h) $15\%$ af $620$ .

See Solution

Problem 4565

Beregn rabatten uden lommeregner: a) $30\%$ af $100 \mathrm{kr}=$ , b) $20\%$ af $200 \mathrm{kr}=$ , c) $5\%$ af $400 \mathrm{kr}=$ , d) $8\%$ af $700 \mathrm{kr}=$ , e) $40\%$ af $600 \mathrm{kr}=$ .

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Problem 4566

Divide 142 by 5 using long division.

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Problem 4567

Beregn vækstprocenten for følgende: a) stigning 45, startværdi 240 b) stigning 47, startværdi 160 c) stigning 36, startværdi 375 d) stigning 76, startværdi 250 e) stigning 81, startværdi 144 Vækstprocent $= \frac{\text{stigning}}{\text{startværdi}} \times 100 \%$

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Problem 4568

When multiplying by a power of 10, how do digit shifts relate to zeros in the power? Give an example.

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Problem 4569

Find the altitude difference between Mount Everest (29,028 ft) and Mauna Kea (13,796 ft) above sea level.

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Problem 4570

Estimate the difference in Internet users between English ( $478,582,273$ ) and Chinese ( $383,212,617$ ) languages.

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Problem 4571

Calculate the product: $8.9 \times 0.068=$

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Problem 4572

Find the numbers one-tenth less and more for 3 and 4: (3.) $2.8 \equiv$ (4.) $2.1 \equiv$

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Problem 4573

Find the numbers that are 0.01 less and 0.01 more for 2.33 and 2.10.

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Problem 4574

Find the values for: 1) $3.59 - 0.01$ and 2) $5.64 + 0.1$ .

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Problem 4575

Calculate the sum: $-7 + (-7)$ .

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Problem 4576

Calculate the sum: $-3 + (-8)$ .

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Problem 4577

Calculate $-3 + 3$ .

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Problem 4578

The Dolphins gained 16 yards and lost 11 yards. Write the expression $16 + (-11)$ , find the sum, and explain its meaning.

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Problem 4579

Calculate $15 - (-7)$ .

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Problem 4580

Lupe has 7.2L and 0.92L of water in two fishbowls. How to compare their amounts? Marta freezes $\frac{3}{4}$ of 24 cups of grapes. How many cups?

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Problem 4581

Estimate $391 \times 22$ and explain your method. Also, calculate total costs for items: \$3.47, \$1.99, \$0.25, \$5.

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Problem 4582

Classify the probability: Is picking a blue marble from 2 blue and 5 yellow marbles $\frac{2}{5}$ theoretical or experimental?

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Problem 4583

Estimate the total cost of items priced at \$3.47, \$1.99, \$0.25, \$5.69, \$3.04, and \$12.49 without calculating exactly.

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Problem 4584

Simplify $-\left(\frac{x}{3}\right)^{4}(-2 y)^{3}$ .

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Problem 4585

Calculate the product of 28.4 and 7.7: $28.4 \times 7.7$ .

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Problem 4586

Simplify $\frac{(p-q)^{\frac{1}{3}}}{(p-q)^{-\frac{8}{3}}}$ .

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Problem 4587

Calculate the value of $40 \times 638$ . Select the correct answer: A. 24,520 B. 24,220 C. 2,552 D. 25,520

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Problem 4588

Calculate $\frac{\frac{1}{3}+\frac{2}{5}+\frac{1}{30}}{\frac{23}{30}}$ .

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Problem 4589

Solve: 4 tens + 6 tens, 8 hundreds + 2 hundreds, 5 thousands + 7 thousands. Write answers in standard form.

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Problem 4590

Model $4 + (-9)$ on the number line.

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Problem 4591

Estimate if $22.8 \times 4.7 = 107.16$ is reasonable. Respond with yes or no, and give a better estimate if no.

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Problem 4592

Estimate if the answers are reasonable. Write "yes" or "no" with a reasonable estimate.
21. $22.8 \times 4.7=107.16$
22. $2.1 \times 4.9$
23. $7.8 \times 1.1 \times 4.2=50$

See Solution

Problem 4593

Estimate if $2.1 \times 4.9 \times 7.2 \approx 105.84$ is reasonable. Answer yes or no, with a better estimate if no.

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Problem 4594

Estimate if the following products are reasonable: $22.8 \times 4.7$ and $2.1 \times 4.9 \times 7.2$ . Write yes or no with an estimate.

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Problem 4595

Estimate if these answers are reasonable: $7.8 \times 1.1 \times 4.2=50$ and $43.8 \times 2.8 \times 3.1=371.8$ .

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Problem 4596

Estimate if the answer is reasonable: $0.8 \times 1.1 \times 4.2 = 50$ . Write yes or no with a better estimate if no.

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Problem 4597

Miguel thinks $\$ 47.25$ is less than $\$ 50$ . Estimate $43.8 \times 2.8 \times 3.1$ and say if $371.8$ is reasonable.

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Problem 4598

Find the converse of: If it's snowing, then Malika wears a coat out. Options include statements about snowing and wearing a coat.

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Problem 4599

Identify the contrapositive: If two figures are similar, then all corresponding angles are equal.

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Problem 4600

Multiply $-1 \frac{7}{8}$ by $2 \frac{9}{10}$ .

See Solution

1 ...43 44 45 46 47 48 49 ...144

Expression

Problem 4501

What is 5 tens + 1 one + 4 tenths + 39 hundredths in standard form? Options: (A) 51.439 (B) 51.1439 (C) 51.79 (D) 52.79

Problem 4502

Select all correct representations of 73.218. Options: 1) 73 ones + 218 thousandths 2) 7 tens + 3 ones + 218 thousandths 3) 73 tens + 218 thousandths 4) 7 tens + 3 ones + 2 tenths + 18 hundredths 5) 7 tens + 3 ones + 2 tenths + 18 thousandths

Problem 4503

Write 2.075 in words and identify the place and value of the digit 5.

Problem 4504

Calculate the sum of 18 nnes, 20 hundredths, and 5 thousandths.

Problem 4505

Find the height change per second as the elevator descends 420 meters in 60 seconds. What is the integer value?

Problem 4506

Arrange these fractions in decreasing order: 56,13,73,52,54\frac{5}{6}, \frac{1}{3}, \frac{7}{3}, \frac{5}{2}, \frac{5}{4}65​,31​,37​,25​,45​.

Problem 4507

Find the altitude change per minute for a balloon that descended 2,700 feet in 135 minutes. What is the value?

Problem 4508

Evaluate x+yx+yx+y where x=5+3x=\sqrt{5}+\sqrt{3}x=5​+3​ and y=5−3y=\sqrt{5}-\sqrt{3}y=5​−3​.

Problem 4509

Evaluate the integral ∫0axa2−x2 dx\int_{0}^{a} x \sqrt{a^{2}-x^{2}} \, dx∫0a​xa2−x2​dx.

Problem 4510

Convert the unit fraction 14\frac{1}{4}41​ to a percentage. What is it?

Problem 4511

Convert 80%80\%80% to its simplest fraction form. Options: 18\frac{1}{8}81​, 45\frac{4}{5}54​, 810\frac{8}{10}108​, 4050\frac{40}{50}5040​.

Problem 4512

Convert 49%49\%49% to a decimal. How many places does the decimal point move? What is the decimal form?

Problem 4513

Find the actual distance from town A to town B at a scale of 1 cm: 100 km. Choose A-D. 400 cm, 400 km, 25 km, 0.04 cm.

Problem 4514

Find the probability of the letter OOO in "BOOK". What is the distance from town AAA to town BBB at a scale of 1 cm:100 km1 \mathrm{~cm}: 100 \mathrm{~km}1 cm:100 km? Round 55.89934 to three decimals.

Problem 4515

Convert 1246124_{6}1246​ to base ten to find the total number of pens in the box.

Problem 4516

Evaluate the expression 62−(32+1)6^{2} - (3^{2} + 1)62−(32+1).

Problem 4517

Calculate 62−(32+1)6^{2} - (3^{2} + 1)62−(32+1).

Problem 4518

Calculate 23÷43+(85−125)2\frac{2}{3} \div \frac{4}{3} + \left(\frac{8}{5} - 1 \frac{2}{5}\right)^{2}32​÷34​+(58​−152​)2.

Problem 4519

Find sin⁡θ\sin \thetasinθ given csc⁡θ=445\csc \theta = \frac{\sqrt{44}}{5}cscθ=544​​. Rationalize denominators if needed.

Problem 4520

Calculate 64500⋅10364500 \cdot 10^{3}64500⋅103.

Problem 4521

Find the exact values of sin⁡θ\sin \thetasinθ and cos⁡θ\cos \thetacosθ if tan⁡θ=−34\tan \theta = -\frac{3}{4}tanθ=−43​ in quadrant II.

Problem 4522

Show 53×34\frac{5}{3} \times \frac{3}{4}35​×43​ on a number line. Is it less than, greater than, or equal to 34\frac{3}{4}43​?

Problem 4523

Simplify: 183=\frac{18}{3}=318​=

Problem 4524

What is the probability of guessing a 5-digit code from 5 unique numbers? A. 112\frac{1}{12}121​ B. 1120\frac{1}{120}1201​ C. 140\frac{1}{40}401​ D. 160\frac{1}{60}601​

Problem 4525

Find sin⁡θ\sin \thetasinθ given csc⁡θ=1176\csc \theta = \frac{\sqrt{117}}{6}cscθ=6117​​. Simplify your answer.

Problem 4526

Find sin⁡θ\sin \thetasinθ given csc⁡θ=442\csc \theta = \frac{\sqrt{44}}{2}cscθ=244​​. Simplify your answer.

Problem 4527

Find (a) the complement and (b) the supplement of an angle measuring 17∘15′17^{\circ} 15^{\prime}17∘15′.

Problem 4528

Calculate 238+(−414)2 \frac{3}{8} + \left(-4 \frac{1}{4}\right)283​+(−441​). Choose from: −213-2 \frac{1}{3}−231​, −178-1 \frac{7}{8}−187​, 1781 \frac{7}{8}187​, 2122 \frac{1}{2}221​.

Problem 4529

Find (a) the complement and (b) the supplement of an angle measuring 17∘15′17^{\circ} 15^{\prime}17∘15′.

Problem 4530

Find the complement and supplement of an angle measuring 22∘13′22^{\circ} 13^{\prime}22∘13′.

Problem 4531

Calculate the sum of the points on a number line from -2 to 2. Possible answers: (A) -4, (B) 0, (C) 2, (D) 4.

Problem 4532

Round 6.241596.241596.24159 to two decimal places.

Problem 4533

Find the distance between points AAA at 14 and DDD at 50 on a number line.

Problem 4534

Find the integral ∫x2x3+9dx\int \frac{x^{2}}{x^{3}+9} d x∫x3+9x2​dx and provide the result in terms of ccc.

Problem 4535

Calculate the distance between points A(4,9) and B(2,-3) using the formula d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}d=(x2​−x1​)2+(y2​−y1​)2​.

Problem 4536

Calculate the distance between points A(4,9) and C(9,0) using the formula d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}d=(x2​−x1​)2+(y2​−y1​)2​.

Problem 4537

Calculate the distance between points B(2,-3) and C(9,0) using the formula: d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}d=(x2​−x1​)2+(y2​−y1​)2​.

Problem 4538

Find the distances between points A(4,9), B(-2,-3), and C(0,0). Round to the nearest tenth.

Problem 4539

Calvin sells large paintings for \$ 56.25 and small ones for \$ 34.89. How much does he make selling one of each?

Problem 4540

Arrange these fractions in decreasing order: $\frac{5}{6}, \frac{1}{3}, \frac{7}{3}, \frac{5}{2}, \frac{5}{4}$ .

Evaluate $x+y$ where $x=\sqrt{5}+\sqrt{3}$ and $y=\sqrt{5}-\sqrt{3}$ .

Evaluate the integral $\int_{0}^{a} x \sqrt{a^{2}-x^{2}} \, dx$ .

Convert the unit fraction $\frac{1}{4}$ to a percentage. What is it?

Convert $80\%$ to its simplest fraction form. Options: $\frac{1}{8}$ , $\frac{4}{5}$ , $\frac{8}{10}$ , $\frac{40}{50}$ .

Convert $49\%$ to a decimal. How many places does the decimal point move? What is the decimal form?

Find the probability of the letter $O$ in "BOOK". What is the distance from town $A$ to town $B$ at a scale of $1 \mathrm{~cm}: 100 \mathrm{~km}$ ? Round 55.89934 to three decimals.

Convert $124_{6}$ to base ten to find the total number of pens in the box.

Evaluate the expression $6^{2} - (3^{2} + 1)$ .

Calculate $6^{2} - (3^{2} + 1)$ .

Calculate $\frac{2}{3} \div \frac{4}{3} + \left(\frac{8}{5} - 1 \frac{2}{5}\right)^{2}$ .

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{44}}{5}$ . Rationalize denominators if needed.

Calculate $64500 \cdot 10^{3}$ .

Find the exact values of $\sin \theta$ and $\cos \theta$ if $\tan \theta = -\frac{3}{4}$ in quadrant II.

Show $\frac{5}{3} \times \frac{3}{4}$ on a number line. Is it less than, greater than, or equal to $\frac{3}{4}$ ?

Simplify: $\frac{18}{3}=$

What is the probability of guessing a 5-digit code from 5 unique numbers? A. $\frac{1}{12}$ B. $\frac{1}{120}$ C. $\frac{1}{40}$ D. $\frac{1}{60}$

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{117}}{6}$ . Simplify your answer.

Find $\sin \theta$ given $\csc \theta = \frac{\sqrt{44}}{2}$ . Simplify your answer.

Find (a) the complement and (b) the supplement of an angle measuring $17^{\circ} 15^{\prime}$ .

Calculate $2 \frac{3}{8} + \left(-4 \frac{1}{4}\right)$ . Choose from: $-2 \frac{1}{3}$ , $-1 \frac{7}{8}$ , $1 \frac{7}{8}$ , $2 \frac{1}{2}$ .

Find (a) the complement and (b) the supplement of an angle measuring $17^{\circ} 15^{\prime}$ .

Find the complement and supplement of an angle measuring $22^{\circ} 13^{\prime}$ .

Round $6.24159$ to two decimal places.

Find the distance between points $A$ at 14 and $D$ at 50 on a number line.

Find the integral $\int \frac{x^{2}}{x^{3}+9} d x$ and provide the result in terms of $c$ .

Calculate the distance between points A(4,9) and B(2,-3) using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

Calculate the distance between points A(4,9) and C(9,0) using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

Calculate the distance between points B(2,-3) and C(9,0) using the formula: $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ .

Find how many men are needed to move $x$ boxes and how many of 680 bulbs are non-defective. Choose the correct option.

Evaluate $(4a+c) \div b - (bd) \div(ac)$ for $a=-2$ , $b=3$ , $c=-1$ , $d=1$ . What is the result?

Find the value of $c$ for which $x^{2}+10x+c$ is a perfect square. Options: A. 100 B. 20 C. 5 D. 25

How many total crayons and markers did Elsa put in the bucket if she has 27 crayons and 23 markers? $27 + 23$

Calculate $15+(16-6) \times 1$ .

Calculate the value of $(18+23+22) \div 9$ .

Calculate the expression: $15 + (16 - 6) \times 1$

Calculate $\left(\frac{1}{2}+\frac{1}{2}\right) \times 5$ .

Calculate $80 - 6 \times 5 \times 2$ .

Evaluate $9 \times(40+5)$ in two different methods.

Find the result of dividing 0.03 by 10: $0.03 \div 10 =$

Simplify the expression: $(2 x-1)^{2}-(x+2)^{2}$ .

Calculate $0.008 \times 100$ .

Calculate $0.03 \times 1,000$ .

Beregn rabatpriser: a) $70\%$ af $680$ , b) $70\%$ af $870$ , c) $25\%$ af $392$ , d) $30\%$ af $350$ , e) $20\%$ af $260$ , f) $22\%$ af $550$ , g) $20\%$ af $195$ , h) $92\%$ af $150$ .

Beregn rabatten: a) $75\%$ af $352$ ; b) $25\%$ af $176$ ; c) $16\%$ af $650$ ; d) $72\%$ af $175$ ; e) $25\%$ af $476$ ; f) $12\%$ af $750$ ; g) $65\%$ af $260$ ; h) $15\%$ af $620$ .

Find the limit: $\lim _{x \rightarrow \pi} \frac{\cos x+\sin (2 x)+1}{x^{2}-\pi^{2}}$ . Options: (A) $\frac{1}{2 \pi}$ (B) $\frac{1}{\pi}$ (C) 1 (D) nonexistent.

Beregn rabatpriser: a) $75\%$ af $352$ , b) $25\%$ af $176$ , c) $16\%$ af $650$ , d) $72\%$ af $175$ , e) $25\%$ af $476$ , f) $12\%$ af $750$ , g) $65\%$ af $260$ , h) $15\%$ af $620$ .

Beregn rabatten uden lommeregner: a) $30\%$ af $100 \mathrm{kr}=$ , b) $20\%$ af $200 \mathrm{kr}=$ , c) $5\%$ af $400 \mathrm{kr}=$ , d) $8\%$ af $700 \mathrm{kr}=$ , e) $40\%$ af $600 \mathrm{kr}=$ .

Estimate the difference in Internet users between English ( $478,582,273$ ) and Chinese ( $383,212,617$ ) languages.

Calculate the product: $8.9 \times 0.068=$

Find the numbers one-tenth less and more for 3 and 4: (3.) $2.8 \equiv$ (4.) $2.1 \equiv$

Find the values for: 1) $3.59 - 0.01$ and 2) $5.64 + 0.1$ .