Which equation is the inverse of y=2x^2-8

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?