How do I apply this I need help

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.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?