Sales tax in a certain community is 5%. If the sales tax on a new car was $1400, what was the selling price of the car?

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