Which relations represent a function? (16, 14) (14, −12 ) (9, 11) (10, 14) (10, 8) (7, 9 ) (9, 13) (8, 5) (18, 24) (16, 10 ) (5, 13) (18, 14) (14, 12) (10, 12 ) (−13, 7) (11, 15)

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