Please help me with this question and how to break even!

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 point slope form of a line with slope -5 that contains point (2,-1)

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?