Part A: Rhett made $250 washing cars with his mobile car wash company. He charges $70 per car and earned $50 in tips. Write an equation to represent this situation.

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.