A box is 20 inches long and 21 inches high. What is the diagonal length of the box?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9