Determine the slope of the line that has the following coordinates: (-2, 5) (4, -2)

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?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Need so much on this one how many yards?