What's the surface area of a sphere with radius 5 centimeters

Which of the following are measures of complementary angles? A) 44 and 136 B) 20 and 25 C) 18 and 72 D) 6 and 940

3/11 = ?/22 what's the best answer?

Is - 4, 12, - 36, 108, - 324 arithmetic or geometric

Cost of a cd is $14.50 markup:70% find the selling price

Rectangle with a width of 36 centimeters and a perimeter of 80 centimeters

Jaime wants to know how fast she can type, so she times herself as she types a paper. The paper has 442 words in it, and Jaime types it in 13 minutes. What is her typing rate, in words per minute?

How can one fourthx - 3 = one halfx + 8 be set up as a system of equations?

Chris invests $2,200 into three accounts that pay 6%, 8% and 9% in annual interest. He has three times as much invested at 9% as he does at 6%. If his total interest for the year is $178, how much is invested at each rate?

If AC = 12 and BC = 13, find AB.

How to Simplify 306/315