Find the value of x2 − 8x + 9 when x = 7.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.