Yo so like, help me, image is below

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

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.