Jasper is a drummer in his school's marching band He carries a marching snare drum that has a radius of 7 inches and a height of 9 inches What is the volume of his drum? The volume is in^3. Do not round ​

This is so hard and it’s for a test

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?