Hi. I'm a math tutor and I have some homework help websites to suggest:
(1) www.INeedAHelpingHand.com (for homework help in all areas)
(2) www.tutor-homework.com (for homework help in math, chemsitry, & physics). LOTS of free math tools such as an online grapher, online statistics table calculator, and practice exams.
Both of these websites offer services for a fee.
Suggestions for free help are welcome.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.