Can someone pls do both , thank u so much

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.

Consider the graph of the exponential function y=3(2)×

What is the solution of log2  (3x  -  7)  =  3? 4 5