Please answer each of these questions to the best of your ability. You are welcome to re-watch parts of any of the videos to help you.

A candle has been burning at a constant rate of change of 2.25 inches per hour. The candle has been burning for 4 hours and is 4.5 inches tall. What was the length of the candle before it was lit?
4.5 inches 6.75 inches 9 inches 13.5 inches 20.25 inches
A swimming pool that is only partially full has 10,800 gallons of water. Water is added to the swimming pool 10:00 AM at a constant rate of 24 gallons per minute.
How much water is in the pool 75 minutes after water started being added? gallons
When the pool is full, it holds 19,200 gallons of water. How long will it take to fill the pool to capacity? minutes