The area of the rug is 80 square feet what is the perimeter

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

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?