Remove brackets and simplify ​

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

In a column proof the right column states your reasons

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply