What two numbers multiplied to get 80 and add up to get 24

Reflect the point (7,0) across the y-axis

What’s 8y+48 and factor each expression completely

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?