If a tabletop has a diameter of 35 inches, what is the approximate circumference of the tabletop?

Two lines parallel to the same plane are parallel to eachother

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.

When the ball has traveled a distance of