21
Find an equation of the line containing the given pair of points.
(4,5) and (12,8)

Aportion of a line bounded by two points is defined as

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.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?