I need help with number 34 please!

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 of the following is true for the relation f(x)=2x^2+1

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?