Helpp ill mark u as brain list​

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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.

In which form is the following function written? y = - 2(x – 3)(x + 5)