Pls help!! x^2 - 8x + 16/5x ÷ x - 4 =

A. x - 4

B. 5x/x - 4

C. x^3 - 12x^2 - 16x - 64

D. x - 4/5x

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

We just started the introduction into circles and i have no idea how to do this.

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