Extra Help

Rose-Hulman Institute of Technology offers a free HOMEWORK HOTLINE on-line and over the phone while they are in session.
www.AskRose.org               1-877-ASK-ROSE  (275-7673)
Khan Academy:  there are large numberof of videos on this site.  Search for the topic you need and scroll through the page.
You Tube: (not available at achool)  There are a lot of teachers who video their lessons and post.  Search for the topic you need, just pay attention to who is posted the video.