Which two points satisfy y = -x2 + 2x + 4 and x + y = 4? a. (0, 4) and (4, 0) b. (0, 4) and (3, 1) c. (7, -3) and (0, 4) d. (7, -3) and (4, 0)

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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?

Tom drove 206 miles in 3.9 hours. estimate his average speed.