The equation and graph of a polynomial are shown below. the graph reaches its minimum when the value of x is 4. what is the y-value of this minimum? y=x^2-8x+12

The measure of an angle is 117°. what is the measure of a supplementary angle?

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

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?