Solve the exponential equation
16 = 2^x − 2.

Evaluate the given expression if m=45 |-3m|

How to do this , and can some one explain

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?