Please help... please im begging you help

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.