Ahotel plans to use marble for part of the floor lobby. the marble section of the floor will be in the shape of a triangle with a base of 80 feet and a height of 60 feet. the marble flooring costs $6 per square foot. how much will the marble for the floor cost?

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.