Hola si me pudiera alguien ayudar con estos problemas creo que no son muy difíciles ya que solo voy a 2 de eso. he comprado 15 cd por 11,25$. quanto me ha costado cada cd?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.