Find the measure of angle h

Acompany is making new soccer uniforms for a team. the company uses 2.5 yards of fabric for each shirt. the company uses 82.5 yards of fabric to make shirts and shorts for 15 players. the equation and solution below represents the situation. 15(2.5+x)=82.5; x=3 what does the solution, x=3, represent?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Someone answer this check out the image!