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?

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?

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?

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. \(4\pi {r^2}\)

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?

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

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