Luke bought 2 used games at the game store if each used game cost $7.85 and he paid with a twenty dollar bill how much change should get back

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas