Sarah is selling cookies and brownies to raise money for her school trip. she needs to raise at least $350. she is selling cookies for $1 and brownies for $2. let x represent the number of cookies and y represent the number of brownies. write an inequality to represent how many cookies and brownies sarah would have to sell to have enough money for her trip?

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.