CAN SOMEONE PLSS GIVE THE ANSWERS TO THESE PLEASE I’ll MARK BRAINLLISTAND 60 POINTS

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.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.