Ihave two pictures with this question, i have all my others one done, but i feel stupid for not being able to do this one.. i will give 30 !

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.