I have 4 questions I got wrong originally and my instructor is allowing me some credit if I redo the problems and show how I got the correct answers (correct answers are shown at the bottom of problem).  Below is exact directions from instructor in order for me to get credit:  I will include the chapter from text book as well as problems.

You can scan your solutions (they must be legible so that I can tell if you worked the problem correctly) or write up your solutions in Microsoft Word.  Your solutions must be correct (all relevant steps included or explained) before you will be given credit as stated above. On short answer, you must give an explanation of your answer or a reference in your textbook that substantiates the “correctness” of your answer (do not just give me page number but the statement on that page that substantiates your answer).