Which ordered pairs in the form (x, y) are solutions to the equation 4x−5y=24 select each correct answer. (1, −4) (−9, −12) (6, 0) (4, 8)

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