How do i do this ? & how do i solve it for x& y

Iam so stuck. what is the worked out answer for this question?

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.

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet