old midterm to study--my advice
There are two ways of using an old exam with answers to prepare for a
1. Look at questions and answers, try to memorize the answers.
2. Look at only the questions, answer them all, then when you are done
look at my answers to check yours.
Method 1 doesn't work. Any question that is on the old midterm is very
unlikely to be the new one. And besides, you have already spent the
first part of the semester going through similar problems, with
answers, in class.
Method 2 does work--not as a way of learning but as a way of finding
out whether you are adequately prepared, and if not where the problems
are. It's worth learning that before you take the real exam, not