4. One week Lin's balance at the start of the week was (- $16) but she earned $20 from babysitting and deposited it into her bank account. What was her
account balance at the end of the week?

Which of the following expressions is equal to 2x^2+8

The total number of dental clinics total for the last 12 months was recorded

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.