The Rancho Cucamonga Public Libraries offer a resource for Free Live Homework. The site operates from 1:00 PM to 10:00 PM and may be accessed at http://www.rcpl.lib.ca.us/. This is a one to one certified tutor that can help in the areas of Math, Science, English, and Social Studies.
You will need to enter a library card number to access the site. Once you reach the main library page, click on "Find Info" and then "Live Homework Help".
This site also offers a 24/7 Skills Center Resource Library which contains worksheets, tutorials, study guides, and much more.