Isabel wants to rent a boat and spend at most $39. The boat costs $6 per hour, and Isabel has a discount coupon for $3 off. What are the possible numbers of hours Isabel could rent the boat? Use t for the number of hours.
Write your answer as an inequality solved for t.

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.

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625