Two urns contain white balls and yellow balls. the first urn contains 7 white balls and 7 yellow balls and the second urn contains 3 white balls and 6 yellow balls. a ball is drawn at random from each urn. what is the probability that both balls are white?

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.