In a recent year, $0.57$ of those registered to vote in the United States voted in an election. Write $0.57$ as a percent.

In one day at a store, $7\%$ of the sales were from shoes. Write $7\%$ as a decimal.

The total revenue function for French door refrigerators is given by $R=550 x$ dollars, and the total cost function for this same product is given by $C=10,000+30 x+x^2$, where C is measured in dollars. For both functions, the input x is the number of refrigerators produced and sold.

What is the profit when 18 refrigerators are produced and sold?

A regular transition matrix is given. Determine its steady-state vector.

$$\begin{bmatrix}.6&&0&&0&&.1\\0&&.5&&.2&&0\\.4&&.2&&.8&&0\\0&&.3&&0&&.9\end{bmatrix}$$

Simplify.

$$- 3 \left( x ^ { 2 } - 2 \right) + 2 \left( 3 - 2 x ^ { 2 } \right)$$

Compare the number of protons and electrons in a neutral atom.

List the fractions and decimals in order from least to greatest.

$$0.5, \frac{3}{16}, 0.75, \frac{5}{48}$$

What is the level of organization in the human body from the least to the most complex?

Fill in the blank with the correct form of the word in parentheses. "_____ in agros veniunt. (urbs)"

Simplify the expression. Write answers using positive exponents.

$$\left( 3 b b ^ { 2 } b ^ { 3 } c ^ { 0 } \right) ^ { 4 }$$

Alfonso is conducting an experiment to determine whether temperature affects how fast earthworms move. what are the independent and dependent variables in his experiment?

Use reciprocal and quotient identities to find $\tan \theta , \csc \theta , \sec \theta ,$ and $\cot \theta.$ $\sin \theta = \frac { 2 \sqrt { 6 } } { 5 }$ and $\cos \theta = \frac { 1 } { 5 }$

Is the line through (4, 3) and (3, -1) perpendicular to the line through (-3, 3) and (1, 2)? Justify your answer using slopes.

Anaya’s essay describes life in a rural community in eastern New Mexico. What influence did this setting have on his grandfather’s values?