In the number 14,685,000,000, the digit 8 is in what place

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

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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.