A builder builds a house on the land that is 20 feet above sea level. If each floor of the house is 9 feet high, how many feet above sea level is the top of the first floor?

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?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Simplify the expression below -3(10x+4y)+6(6x-2y)