1) The "Volume #1, April 26th" worksheet of challenge problems. Complete as much as you can — each problem would be considered an HP problem.
2) Complete at least 12 problems from the chapter 10 review to prepare for the volume quiz on chapter 10 which is tomorrow.
3) If you have extra time, work on the Volume project which will be due next week — TBD.
Here are most of my answers to the challenge problems worksheet