Please help and show work​

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

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