Can someone me? idk how to do the 2nd part. the answer choices for the box are:
a. 10^-4
b. 10^-8
c. 10^-10
d. 10^-12

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?

Ineed to know the answer right now! !

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16