An oblique prism with a square base of edge length x units has a volume of x3 cubic units. which expression represents the height of the prism?

x units
1/2x units
2x units
x(square root 2) units

Which graph represents an even function?

Asap! i'm not good math and i'm lost.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field