3/21 = 1/x what's the value of x

James deposited $575 into a bank account that earned 5.5% simple interest each year. If no money was deposited into or withdrawn from the account, how much money was in the account after 2 1/2 years? Round your answer to the nearest cent.

The Clayton families pool has vertices at the coordinates (0,2) (0,5) (2,5) (2,6) (5,6) (5,1) (2,1) and (2,2). If each grid square has an area of 9 ft.² what is the area of the pool?

What's the distance between - 2 1/2 and - 5 3/4 as a mixed number

Models for - 4 + 5 + x + 4 = 36

Solve (2-3x) / 5 < x+2

18/n-9=6/5 solve the equation

A circular ice rink is being built in town. Around the ice rink, a walkway will be built. The ice rink will have a diameter of 80 feet and the walkway will be 10 feet wide. What is the approximate area of the walkway?

5-{3+2[5-4 (64:8) ]-12}

Find (f-g) (x) if f (x) = 3x+10x and g (x) = 2x-4 A. 15x-4 B. 3x+12x-4 C. 3x+8x+4 D. 3x-8x+4

how many 16oz bottles would be needed to hold the same total amount of water as 56 bottles that each holds 20 oz