Ineed asap, evaluate the following expression using the values given. find 2x^2 − 2z^4 + y^2 − x^2 + z^4 if x = −4, y = 3, and z = 2.

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