Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

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.