Solve the two step equation and identify the steps

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300