What is bigger 8+√50 or 5+√65

Which of the following lines is not parallel to the graph of y = 4x +7?

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.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.