Solve the system of equation by elimination-4x-y=-18 and 2x+3y=24 by combining the equations

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

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2