Your friend was solving the equation shown and was confused by the result "-20 = -20." Explain what this result means.
4(y - 5) - 2y = 6y - 20 - 4y
4y - 20 - 2y = 6y - 20 - 4y
2y - 20 = 2y - 20
-20 = -20

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?

Select all of the following expressions that are equal to 2.5.

Each side length of the hexagons is 1, what’s the area of abc