Find the volume of the solid shown or described. If necessary round to the nearest tenth. Find the volume of the figure below. Round to the nearest tenth. M

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.