It does not mean you may look over your friend's answers to find out how to solve a problem. Your answers to homework assignments should be in your own words, however. Duplicate answers will receive a grade of zero. Repeated violations of the collaboration rule may result in judicial board action. Exams are not a collaborative effort.
Exams are in-class and closed book.
Your semester grade may be curved, depending on the class distribution. PPFs, Indifference Curves, and Tangencies Chapter 2, pp. Reading Chapter 6. You should have finished Roberts book by now.