Arectangular prism with a square base is cut from the center of a triangular prism. each side of the square base measures 1.7 units. what is the volume of the shaded solid? round to the nearest tenth of a cubic unit.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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.

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?