Find the slope thank you

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.

If i have one apple and give you the apple, how many apples do i have?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.