Tonight's homework is book assignment 4.3. Bring your books to class on Monday so you can discuss your work on 4.2 & 4.3 with your peers.
Use the video below for additional review
http://www.youtube.com/watch?v=LkdodHMcBuc
http://www.youtube.com/watch?v=fjJYRapK3SY
http://www.youtube.com/watch?v=vqSPGeYO2UA