In the given figure, AD, BE and CF are the medians of the ∆ABC, prove that vector AB +vector BE+vector CF=0​

Which is an equation for the nth terms of the sequence 12,15,18,21

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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.