I can't find the answers. Help would be appreciated. ​

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.

Write the equation in logarithmic form m^x=n

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?