Evaluate using the value given: 5 + 12/z; use z=6

For which rational expression is -2 an excluded value of x?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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?