Do this Quiz on Session 20 as you watch the videos and do the reading (as listed below). This document is a Microsoft Word document; here is the same Quiz on Session 20 (pdf) as a PDF.
You can either:Bring your solution (and questions about it) to class.
All of the following are required except items labeled Optional are, well, optional (i.e., things that may be interesting but do not directly pertain to your success in this course).