Plz, help! WILL give brainilest to first correct 3 Simplify using order of operations. Show all of your work and do ONE operation at a time to receive all possible points.

90÷[10+(3-3-4)]=

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

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers