Here are some great links to help with homework!

http://www.kslib.info
http://www.homeworkkansas.org
http://www.infoplease.com/homework
http://www.thebeehive.org
http://www.homeworkspot.com
http://www.wikipedia.org
http://www.webmath.com
http://www.purplemath.com/modules/index.htm
http://www.highschoolace.com/ace/ace.cfm
http://www.adprima.com/studyout.htm