Jen wrote cross-multiplication property for her proportion: x∙ t=u ∙y which of the following could her proportion? choose all that apply. (a) x: u=y: t (b) x: y=u: t (c) x: t=y: u (d) t: y=u: x (e) u: x=t: y (f) x: u=y: t (g) x: y=t: u (h) y: x=t: u hahah i know it's a lot!

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