Please help!! due very soon

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

One positive number is 9 more than twice another. if their product is 95, find the numbers

Which of the following vectors are orthogonal to (2,1)? check all that apply