Solve the problem
6n - n
A) 1 + n
B)2n
C)-n
D)-7n

I'm so close to finishing all these.

Which graph represents the equation y =4x

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