70 ! urgent pls

the figure above 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.

this figure is not drawn to scale.

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

part b
write and 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.