Can anyone answer this question​

Find the vertex of the function given below y=x^2-6x+1

The table above shows approximate conversions from gallons to liters. what is the value of x?

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