Which side of xyz is the longest ? ?

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?

Answer question above and explain each step : )

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?