8th grade math, please help.
I’ll give you brainliest if you want.

-Find the volume-

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

What is the area of the trapezoid shown ?

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?