Explain why the vertical line test is used to determine if a graph represents a function.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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