Every hour of training raises the salary $ _.

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Give me the equations of two lines that have the same slope but are not parallel.