The local college has a greenhouse that is shaped like a square pyramid, as shown. The lateral faces of the greenhouse are made of glass.
a) Find the surface area of the glass on the greenhouse.
b) A special insecticide is going to be sprayed inside of the greenhouse to kill bugs.
The company bases the price on the amount of cubic meters that the spray will take
the fill the entire greenhouse. To the nearest whole meter, how many cubic meters
will be needed?
c) If it costs $4.75 per cubic meter to purchase the insecticide, how much will the
spray cost?