HOW DO I SOLVE THIS?

Which graph represents the parent function of y=(x+2)(x-2)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?