Mr. DeLandro earns $\$12$ per hour. One week, Mr. DeLandro worked 42 hours; the following week, he worked 37 hours. Which of the following indicates the number of dollars Mr. DeLandro earned for 2 weeks?

Josh needs to replace the boards on a 22-foot section of his fence. If the boards are $5\frac{1}{2}$inches wide, how many boards should he buy to cover the distance?

A rectangular dining room has a ﬂoor area of 322 square feet. If the length of the room is 23 feet, what is the perimeter?

24 is divided into two parts. 7 times the first part added to 5 times the second part is 146. What will be the first part?

What is 2/3 of 5/8?

A chemical solution contains 8% of a compound. If there is 16ml of that compound, what is the volume of the solution?

The cone shown below is 20cm high and has a total volume of $1000 cm^{3}$. What is the value of the radius r of its base region?

In which of the following forms can the algebraic expression$x^{3}+3 x^{2}+2 x$ be written?

The bus Benito takes to work averages 15 miles per hour in rush-hour traffic. In all he has about $7\frac{1}{2}$ miles to travel. About how many hours does it take him to get to work?

Marco works from 5:30 P.M. to 7:30 P.M. on Mondays and Wednesdays. On Tuesdays and Thursdays, he works from 3:00 P.M. to 8:30 P.M. How many hours does he work each week?

Lucy is building a fence for her pigpen so that the pigs cannot escape. The area of the rectangular pigpen is 96 sq ft. The length of the pigpen measures 12 ft. What is the width in feet?

What is the mode of the following: 14, 17, 14, 12, 13, 15, 22, and 11?

If $4 x^{2}-7=9$, what is the value of $x^{3}+2 x$?

Calculate the surface area of sphere with a radius of 5 inches. $4\pi {r^2}$

A compact disc player priced originally at $\$75$ is sold for $\$65$. What is the approximate rate of the discount?

What is the perimeter of the ﬁgure?

Ernie is training for a marathon. Each month his running time on a 10-mile course improved by 10 percent over the previous month. It took Ernie 1 hour 40 minutes to complete the course the first month. How long did it take him the third month?

If $f(a)=a^{2}$, then what is $f\left(a^{4}\right)$?

A room is 24 feet long, 18 feet wide, and 9 feet high. How many square yards of wallpaper are needed to paper the four walls of the room?

A stack of coins has 10 nickels. Only one of the nickels is “heads.” What is the probability that the fifth coin from the bottom is “tails”?

Mr. DeLandro earns \(\$12\) per hour. One week, Mr. DeLandro worked 42 hours; the following week, he worked 37 hours. Which of the following indicates the number of dollars Mr. DeLandro earned for 2 weeks?