Which words best describes the domain of a function

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

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?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?