Need help with these two questions (calculus)

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?

Describe what moves you could use to create the transformation of the original image shown at right

The value of cos 30° is the same as which of the following?