Use for questions 9 and 10. Rhonda wants to paint her Dining room. The room is rectangular in shape. The
 room is 10' x 15' with a 10' ceiling height. The entrance opening to the room and the window take up 90 square
 feet. The walls will be painted a light tan and the ceiling white.
 9. How many square feet of wall will need to be painted?
 10. How many square feet is the ceiling?