Sarah and gavyn win some money and share it in the ratio 5: 3.sarah gets £14 more than gavyn. how much did gavyn get?

Can someone me and explain..will award brainlest!

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

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.