your manager has suggested that you order 500 feet of fencing to enclose the recatnglur space. what is the maxium area that can be enclosed for this much fencing

Icould really use some with this question.

2x minus y equals 6, x plus y equals negative 3

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.