is there a site i could use to help me with compund inequalities?

http://www.math-videos-online.com/solve-compound-inequality.html

http://www.coolmath.com/algebra/07-solving-inequalities/06-compound-inequalities-01.htm

http://www.sparknotes.com/math/algebra1/compoundinequalities

http://www.khanacademy.org/exercises?exid=compound_inequalities