Which terms best describe the two lines represented by the equations below? Circle all that apply. y=1/3x+3 y=1/3x-2 plz help me!!

The amount of energy it takes to lift a box might be a function of which of the following

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?

Me n o w. i need t h i s. 10 points