Apolygon is regular if each of its aides has the same length. Find the perimeter of the regular polygon. Its #36 please show how

What is the value of the expression below? (81^2)^1/8

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

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)