A rectangular room is 14 feet by 20 feet. The ceiling is 8 feet high. a. Find the length and width of the smaller wall. by (Express your answer in feet) b. Find the area of the smaller wall. (Express your answer in square feet) c. Find the area of the larger wall. (Express your answer in square feet) d. Find the total area of the four walls in the room. (Express your answer in square feet) e. If a gallon of paint costs $36.50 and it covers 350 square feet on average, what is the cost of painting the room walls with two coats of paint? f. This room is well-insulated and is on the north side of the house. How large an air conditioner would this room require? Round to the nearest thousand BTUs