U thought i was done giving points ok i am lol

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64