The diameter of a sphere is 4 centimeters. Which represents the volume of the sphere? π cm3 8π cm3 π cm3 16π cm3

8500 dollars is placed in an account with an annual interest rate of 7%. To the nearest year, how long will it take for the account value to reach 59700 dollars?

What is 2 x (79-82+96) x 14 : 2

Whats is the sum (2/5x + 5/8) + (1/5x - 1/4) ? A. 3/5x + 1/8 B. 3/5x + 3/8 C. 3/5x + 5/8 D. 3/5x + 7/8

Jaden gave away 1/2 of her money on monday. He then gave away 1/3 of what was left on Tuesday. On Wednesday, she spent 1/4 of his remaining money. What fraction of her original money does he have left

Solve each system of equation using any method. 7 x + y = 5 2x - y = 4

A. Slope is 3.5, and (-3, 2) is on the line.

By how many is 6 less than 14

In order for a film camera with a lens of fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows: 1/F=1/X + 1/Y.

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

3 divided by 579 and show the work