John builds a square dog pen that has an area of 81 square feet. he then builds a second pen that has an area of 64 square feet. which is the closest to the percent of decrease in the area of the pens?

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.