The table shows the heights in feet of some mountains and the depths in feet (as negative number) of some ocean trenches. $\begin{array}{cccc} \hline\text { Mountain} &\text { Height} & \text {Trench }&\text { Depth} \\ \hline\text {A }& 16,900 & \text {P } & -24,955 \\ \text { B }& 17,048 & \text { Q } & -23,693 \\ \text { C} & 16,818 &\text { R } & -33,386 \\ \hline \end{array}$ What is the difference between the height of mountain $C$ and the depth of trench P?

A) $41,773 \mathrm{ft}$ B) $-41,773 \mathrm{ft}$ C) $-8137 \mathrm{ft}$ D) $8137 \mathrm{ft}$ A) $41,773 \mathrm{ft}$ B) $-41,773 \mathrm{ft}$ C) $-8137 \mathrm{ft}$ D) $8137 \mathrm{ft}$

Exam 1: Review of the Real Number System

In a school survey, students showed these preferences for instructional materials. About how many students would you expect to prefer computers in a school of 500 students?

(Multiple Choice)

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(39)

Question 181

Write as a decimal. - $836 \%$

(Multiple Choice)

4.9/5

(35)

Question 182

List all the elements of set $B$ that are of the indicated type. - $\mathrm{B}=\left\{2, \sqrt{8},-4,0, \frac{0}{2}, \sqrt{16}\right\}$ Integers

(Multiple Choice)

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(30)

Question 183

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{5}-\frac{1}{4}$

(Multiple Choice)

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(34)

Question 184

Find the perimeter of the triangle in the figure.

(Multiple Choice)

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Question 185

Write the set using interval notation. - $\{x \mid x \leq-9\}$

(Multiple Choice)

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Question 186

Find the square root. If it is not a real number, say so. - $\sqrt{0.16}$

(Multiple Choice)

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Question 187

If John puts $\frac{2}{3} \mathrm{lb}$ of roast beef on each sandwich, how many sandwiches can he make from $2 \frac{2}{3} \mathrm{lb}$ of roast beef?

(Multiple Choice)

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(34)

Question 188

Use inequality symbols to rewrite the statement. - $x$ is between -7 and 17 , including -7 and 17 .

(Multiple Choice)

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(28)

Question 189

The table shows the heights in feet of some mountains and the depths in feet (as negative number) of some ocean trenches. Mountain Height Trench Depth A 16,900 P -24,955 B 17,048 Q -23,693 C 16,818 R -33,386 What is the difference between the height of mountain $C$ and the depth of trench P?

(Multiple Choice)

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(39)

Question 190

Find the square root. If it is not a real number, say so. - $\sqrt{576}$

(Multiple Choice)

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(20)

Question 191

Perform the indicated operation. - $\frac{-87}{3}$

(Multiple Choice)

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(37)

Question 192

Find the appropriate property for the statement. - $2 \cdot 0=0$

(Multiple Choice)

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Question 193

List the elements from A that belong to the set. - $\mathrm{A}=\left\{-\sqrt{7},-6,-0.27,0, \sqrt{16}, \frac{18}{3}, 4, \sqrt{-2}\right\}$ Integers

(Multiple Choice)

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(40)

Question 194

Perform the indicated operation. - $-\frac{1}{4}\left(\frac{1}{9}\right)\left(-\frac{4}{9}\right)$

(Multiple Choice)

4.9/5

(32)

Question 195

Perform the indicated operation. - $0.35-(-0.03)$

(Multiple Choice)

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(40)

Question 196

Change the fraction to a decimal. Round as indicated. - $\frac{25}{47}$ hundredths

(Multiple Choice)

4.8/5

(27)

Question 197

Perform the indicated operation. Round to the nearest hundredth, if necessary. - $\frac{0.3}{-4.70}$

(Multiple Choice)

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(36)

Question 198

Perform the indicated operation. - $-5(-8)$

(Multiple Choice)

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(40)

Question 199

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{3}-\frac{1}{5}$

(Multiple Choice)

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(32)

Question 200

In a school survey, students showed these preferences for instructional materials. About how many students would you expect to prefer computers in a school of 500 students?

Write as a decimal. - $836 \%$

List all the elements of set $B$ that are of the indicated type. - $\mathrm{B}=\left\{2, \sqrt{8},-4,0, \frac{0}{2}, \sqrt{16}\right\}$ Integers

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{5}-\frac{1}{4}$

Find the perimeter of the triangle in the figure.

Write the set using interval notation. - $\{x \mid x \leq-9\}$

Find the square root. If it is not a real number, say so. - $\sqrt{0.16}$

If John puts $\frac{2}{3} \mathrm{lb}$ of roast beef on each sandwich, how many sandwiches can he make from $2 \frac{2}{3} \mathrm{lb}$ of roast beef?

Use inequality symbols to rewrite the statement. - $x$ is between -7 and 17 , including -7 and 17 .

The table shows the heights in feet of some mountains and the depths in feet (as negative number) of some ocean trenches. Mountain Height Trench Depth A 16,900 P -24,955 B 17,048 Q -23,693 C 16,818 R -33,386 What is the difference between the height of mountain $C$ and the depth of trench P?

Find the square root. If it is not a real number, say so. - $\sqrt{576}$

Perform the indicated operation. - $\frac{-87}{3}$

Find the appropriate property for the statement. - $2 \cdot 0=0$

List the elements from A that belong to the set. - $\mathrm{A}=\left\{-\sqrt{7},-6,-0.27,0, \sqrt{16}, \frac{18}{3}, 4, \sqrt{-2}\right\}$ Integers

Perform the indicated operation. - $-\frac{1}{4}\left(\frac{1}{9}\right)\left(-\frac{4}{9}\right)$

Perform the indicated operation. - $0.35-(-0.03)$

Change the fraction to a decimal. Round as indicated. - $\frac{25}{47}$ hundredths

Perform the indicated operation. Round to the nearest hundredth, if necessary. - $\frac{0.3}{-4.70}$

Perform the indicated operation. - $-5(-8)$

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{3}-\frac{1}{5}$

Linear Equations, Inequalities, and Applications

Linear Equations, Graphs, and Functions

Systems of Linear Equations

Exponents, Polynomials, and Polynomial Functions

Factoring

Rational Expressions and Functions

Roots, Radicals, and Root Functions

Quadratic Equations, Inequalities, and Functions

Inverse, Exponential, and Logarithmic Functions

Nonlinear Functions, Conic Sections, and Nonlinear Systems

Further Topics in Algebra

Appendices

Filters

Exam 1: Review of the Real Number System

In a school survey, students showed these preferences for instructional materials. About how many students would you expect to prefer computers in a school of 500 students?

Write as a decimal. - 836%836 \%836%

List all the elements of set BBB that are of the indicated type. - B={2,8,−4,0,02,16}\mathrm{B}=\left\{2, \sqrt{8},-4,0, \frac{0}{2}, \sqrt{16}\right\}B={2,8​,−4,0,20​,16​} Integers

Subtract as indicated. Write the answer as a fraction in lowest terms. - 25−14\frac{2}{5}-\frac{1}{4}52​−41​

Find the perimeter of the triangle in the figure.

Write the set using interval notation. - {x∣x≤−9}\{x \mid x \leq-9\}{x∣x≤−9}

Find the square root. If it is not a real number, say so. - 0.16\sqrt{0.16}0.16​

If John puts 23lb\frac{2}{3} \mathrm{lb}32​lb of roast beef on each sandwich, how many sandwiches can he make from 223lb2 \frac{2}{3} \mathrm{lb}232​lb of roast beef?

Use inequality symbols to rewrite the statement. - xxx is between -7 and 17 , including -7 and 17 .

The table shows the heights in feet of some mountains and the depths in feet (as negative number) of some ocean trenches. Mountain Height Trench Depth A 16,900 P -24,955 B 17,048 Q -23,693 C 16,818 R -33,386 What is the difference between the height of mountain CCC and the depth of trench P?

Find the square root. If it is not a real number, say so. - 576\sqrt{576}576​

Perform the indicated operation. - −873\frac{-87}{3}3−87​

Find the appropriate property for the statement. - 2⋅0=02 \cdot 0=02⋅0=0

List the elements from A that belong to the set. - A={−7,−6,−0.27,0,16,183,4,−2}\mathrm{A}=\left\{-\sqrt{7},-6,-0.27,0, \sqrt{16}, \frac{18}{3}, 4, \sqrt{-2}\right\}A={−7​,−6,−0.27,0,16​,318​,4,−2​} Integers

Perform the indicated operation. - −14(19)(−49)-\frac{1}{4}\left(\frac{1}{9}\right)\left(-\frac{4}{9}\right)−41​(91​)(−94​)

Perform the indicated operation. - 0.35−(−0.03)0.35-(-0.03)0.35−(−0.03)

Change the fraction to a decimal. Round as indicated. - 2547\frac{25}{47}4725​ hundredths

Perform the indicated operation. Round to the nearest hundredth, if necessary. - 0.3−4.70\frac{0.3}{-4.70}−4.700.3​

Perform the indicated operation. - −5(−8)-5(-8)−5(−8)

Subtract as indicated. Write the answer as a fraction in lowest terms. - 23−15\frac{2}{3}-\frac{1}{5}32​−51​

Linear Equations, Inequalities, and Applications

Linear Equations, Graphs, and Functions

Systems of Linear Equations

Exponents, Polynomials, and Polynomial Functions

Factoring

Rational Expressions and Functions

Roots, Radicals, and Root Functions

Quadratic Equations, Inequalities, and Functions

Inverse, Exponential, and Logarithmic Functions

Nonlinear Functions, Conic Sections, and Nonlinear Systems

Further Topics in Algebra

Appendices

Filters

Write as a decimal. - $836 \%$

List all the elements of set $B$ that are of the indicated type. - $\mathrm{B}=\left\{2, \sqrt{8},-4,0, \frac{0}{2}, \sqrt{16}\right\}$ Integers

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{5}-\frac{1}{4}$

Write the set using interval notation. - $\{x \mid x \leq-9\}$

Find the square root. If it is not a real number, say so. - $\sqrt{0.16}$

If John puts $\frac{2}{3} \mathrm{lb}$ of roast beef on each sandwich, how many sandwiches can he make from $2 \frac{2}{3} \mathrm{lb}$ of roast beef?

Use inequality symbols to rewrite the statement. - $x$ is between -7 and 17 , including -7 and 17 .

The table shows the heights in feet of some mountains and the depths in feet (as negative number) of some ocean trenches. Mountain Height Trench Depth A 16,900 P -24,955 B 17,048 Q -23,693 C 16,818 R -33,386 What is the difference between the height of mountain $C$ and the depth of trench P?

Find the square root. If it is not a real number, say so. - $\sqrt{576}$

Perform the indicated operation. - $\frac{-87}{3}$

Find the appropriate property for the statement. - $2 \cdot 0=0$

List the elements from A that belong to the set. - $\mathrm{A}=\left\{-\sqrt{7},-6,-0.27,0, \sqrt{16}, \frac{18}{3}, 4, \sqrt{-2}\right\}$ Integers

Perform the indicated operation. - $-\frac{1}{4}\left(\frac{1}{9}\right)\left(-\frac{4}{9}\right)$

Perform the indicated operation. - $0.35-(-0.03)$

Change the fraction to a decimal. Round as indicated. - $\frac{25}{47}$ hundredths

Perform the indicated operation. Round to the nearest hundredth, if necessary. - $\frac{0.3}{-4.70}$

Perform the indicated operation. - $-5(-8)$

Subtract as indicated. Write the answer as a fraction in lowest terms. - $\frac{2}{3}-\frac{1}{5}$