Which ordered pair is a solution of the equation? -x-4y =-10
A: Only (3,2)
B: Only (-3,3)
C: Both (3,2) (-3,3)
D: Neither.

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?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.