Pls me asal for 7, 8, and 9. a and b! (show ) + lots if (be specific on which your answering)

What properties allow transformation to be used as a problem solving tool

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?

Acircle has a circumference of 28.36 units what is the diameter of the circle