Question 1: the outdoor temperature was 8 degrees at midnight. the temperature declined 5 degrees during each of the next 3 hours. what was the temperature at 3 a. m.?

question 2: one day, camille made 2 withdrawals of $45 and 2 more withdrawals of $20. the next day, camille deposited $50 back into her account. how did the withdrawals and deposit change the amount in her account?

question 3: maddy took a test with 25 questions. she lost 3 points for each of the 3 questions she got wrong, but she got 2 extra credit questions correct and earned 4 points for each of them. what is the total number of points she gained or lost overall?