What is the value of x and show work pls

Which expression is equivalent to 3^3 + 2^2?

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal

P= price tax is 4% added to the price. which expression shows the total price including tax?