What is the distance from c to d?​

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

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.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?