Videos

Direct Variation 

http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=ate&wcsuffix=0505

Compound Inequalities

http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=ate&wcsuffix=0405

Exponential Growth and Decay

http://www.phschool.com/atschool/academy123/html/bbapplet_wl-problem-431056.html

http://www.phschool.com/atschool/academy123/html/bbapplet_wl-problem-431058.html

System of Equations

http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=ate&wcsuffix=0703