Find the perimeter of the triangle.
(21 – x) in.
(2x - 3) in.
(x + 5) in.

Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box