30 points! the figure below (attached picture) represents a rectangular painting with a rectangular frame. the gray section in the figure below represents the painting, and the white section in the figure below represents the frame.

part a
write an expression in standard form that represents the area, in square feet, of the painting.

part b
write an expression in standard form that represents the area, in square feet, of the frame.

part c
write an expression in standard form that represents the perimeter, in feet, of the painting.