Chris earns a 3% commission on the sale of all shipping supplies. If he earned a commission of $510 this week, what were his sales of shipping supplies?

Which expression is equivalent to the expression shown?

What expression is equivalent to 42x-56y

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?