A parallelogram has an area of 108 in.² the best of the parallelogram is 18 inches find the height.

Answer these questions showing your work plz

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.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?