How many x-intercepts does the function f(x)=-2x^2+8x

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.