Which is the solution to the equation 3.5(2h +4.5) = 57.75? round to the nearest tenth of necessary?

What’s the domain of this function? fastttt

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

Similarly fie each expression 18,19,20