please help me find the answer for this problem with step by step explanation. thank you

please help me find the answer for this problem with step by step explanation. thank you

The teacher gives an hint. You need to find the area of each pizza. I'm not so sure how to do this.

if the hight of a cylinder is 4 inches, and the volume is 15 ml, whats the diameter? please answer asap! its so important!

4 in radius of a circle. need to find out the diameter

Hello, I need to reduce the inside diameter of the 5mm thick, flat bar, steel tuning hoop on a conga drum and would like to know how to calculate exactly how much material I need to to remove to do...