Helppp meee, hurry, issa quiz and iM dU. mB TvT

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w