I put a picture cause I can't explain it but plz help​

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.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3