You have saved ​$30.10. You go to the movies with your friends and spend ​$8.28 on your ticket and ​$6.78 on snacks. How much money do you have​ left?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.