What is the least common multiple needed to add 3/7 and 5/28

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?

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

What are “like terms”? why can we only add like terms?