Isabelle has 27 cough drops. she divides them evenly between
herself and her two friends. she then eats 4 cough drops over
the course of a day.
how many cough drops does isabelle have left?
4
5
23
31

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.