Paula dives into a swimming pool from a diving board 2 feet above the water’s surface. She descends to a depth 7 feet below the diving board. How far is Paula from the surface of the water?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Three times the sum of a number and seven is negative thirty-six. what is the number?