1/7 -3 (3/7n - 2/7 ) ?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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 x3+3x2−16x−48 divided by x−1?