The exam covered voting methods, weighted voting, and the various graph theory topics. You should focus on understanding how to apply the ideas, not on memorizing terminology. So that you don't need to worry about the names of things, I will give you this list of terms on the exam. You can use a calculator if you like.
Here is a sample midterm that you can use to study with, and here are the solutions.Here is a copy of one of the three versions of the exam.
Here is a copy of one of the three versions of the exam.