What is the answer to -16 + x = -15 what is the anwer to that queston

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

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

What describes horizontal cross section of the right rectangle 6m 8m 5m