finite math

This is a two part assisngment. I need the following questions answered and all work shown: 1-5, 13-18, 25-30  of the attached. Then i have an online multiple choice exam and i will need to message you one question at a time. There are 20 questions and they reflect the attached paper.

The exam portion is mc, timed, i cannot exit i cannot go back once its started. 

Please look at the review, if you are not sure you can get an A on the quiz please do not message me about it. 

I will only pay if I get an A on the quiz, 92/100 or higher. I will know the score right after the quiz. 

The problems are the worksheet already have answers, please show all work on how those answers were obtained.