The perimeter of a rectangle is 120cm. The area of the rectangle is 864cm^2. Determine the length and width of the rectangle.

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

What is not true about kl and mn? what is mn? (show )