Math Skills:
Algebra II Rational Functions
http://www.onlinemathlearning.com/intermediate-algebra.html
scroll down to rational
Expressions
http://www.mathsisfun.com/algebra/rational-expression-operations.html
http://www.mathsisfun.com/algebra/rational-expression.html
http://www.onlinemathlearning.com/simplifying-rational-expressions.html
http://tutorial.math.lamar.edu/Classes/Alg/RationalExpressions.aspx
http://www.ixl.com/math/algebra-1/simplify-rational-expressions
Equations
http://www.onlinemathlearning.com/solving-rational-equations.html
http://www.ixl.com/math/algebra-2/solve-rational-equations
http://www.ixl.com/math/algebra-1/solve-rational-equations
http://www.purplemath.com/modules/solvrtnl.htm
Select current topic:
http://www.internet4classrooms.com/eoc_algebra2.htm
enter, Algebra II Common Core 2015, chapter 8