If you have 60 and get 45 as discount how much the percentage

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2