HELP ON A TIMER

WHAT IS THE x-intercept of the graph?

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 area of the triangle 10 13 12

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)