The diagram shows OA=a and OB=b
Write AB in terms of a and b.
Simplify your answer.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Which math sentence can be used to determine if the triangle is a right triangle?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?