Jacobs job pays him 12.50 per hour . which equation can be used to find Jacobs salary ,y, if he works for x hours

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?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?