It consists of 12.13, 12.15, 15.1, and 15.4. We're skipping chapters 13 and 14. The seventh homework assignment was due May 2rd. It consists of 15.11, 15.19, 16.4, and 16.5. Here are the solutions .
Final grades are available, as well as unclaimed homeworks and final exams.
I've put together a postscript file containing the answers.