Gary Roswell owns a large rectangular field where he grows corn and wheat. The width of the
field is 850 feet. The portion of the field where corn
grows is 10x feet long and the portion where wheat
grows is 7y feet long. Use the distributive property to
find an expression for the area of this field.

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.