20 is 80 percent of what number?

Janice ordered a pizza Keenan ate 3 slices. Shakil ate 5 slices. There are two left. Write a fraction for the whole pizza

Find the surface area of a cube if each side is 2 feet long.

A rectangle has a perimeter of 68 inches. If the width of the rectangle is 10 inches, what is the length of the rectangle

10 ft to 7 ft. Describe the percent of change as an increase or decrease.

a swarm of mosquitoes may contain as many as 70 million mosquitoes per square mile. how many mosquitoes are there in a 1500 miles swarm?

Which of the following is a congruence transformation? A. Stretching B. Dilating C. Reflecting

Benito spent $1822 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for gasoline.

Katie is k years old. Harry is 4 years older than Katie. Rachel is twice as old as Harry. If you add together the ages of Katie, Harry, and Rachel the total comes to 36 years. Algebraically, determine the age of each person.

If xy = 6 and x^2y+xy^2 + x+y=63, find x^2+y^2.

You deposit 5000 in an account that earns 5% simple interest. How log will it be before the total amount is 6000