3.5 times 4.9 using a area model

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25