Can someone help me with this problem? 3 + (-7 + y)

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Which expression is equivalent to 3^3 + 2^2?