Can anyone i will give extra points

Which expression is equivalent to? assume x > 0 and y > 0.

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

W-16=-12 solve each one step equation plz