2. your bank account has -15 in it. you deposit $7 per day. (a) how much money is in your account after 5 days? show your work. (b) after you have made all of your deposits, you withdraw $4 a day until your account balance is $0. how many days will you withdraw $4? show your work. 3. a scuba diver was exploring a reef 36.08 m below sea level. the diver ascended to the surface at a rate of 8.8 m/min. (a) write an equation to model the situation. use the formula d = rt. where d is distance, r is rate and t is time. (b) explain why it is reasonable to write the distance, d, as a positive number. (c) how long did it take the diver to reach the surface?