The number of days required to complete a job varies as the number of workers on the job. If it takes 9 days for 8 workers to complete a job, then how many workers would it take to do the job in 18 days?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

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.

If a is a nonzero real number then the reciprocal of a is