1 2
3
4
6
7
8
10
What percent is the shaded portion of the entire diagram?
9%
O 40%
45%
90

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

What is the value of x when x + 7 = 21?