Last week, the vikings gained 5 yards, lost 2 yards, gained 14 yards, lost 8 yards, and then lost 7 yards. what was their overall gain or loss

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