Here's some links to help you get started on S & D:
http://www.reffonomics.com/demand1.html (demand - animated gif)
http://apecon.us/currentwork/substitutionincome.gif (substitution & income effect - animated gif)
http://www.reffonomics.com/determinatesofdemand.html (determinants of demand - animated gif)
http://www.reffonomics.com/determinatesofsupply.html (determinants of supply - animated gif)
Food court simulation - due Friday unless you need until Monday. It's up to the sub, really. You need to do the math-y stuff, and determine as a group which 5 restaurants you'd chose, and why.
Enjoy your weekend! :)