12% of 75 is what number

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

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.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position