Find the equation of the line that passes through the point (5,-5) and is perpendicular to the line y=1/2x-2

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4