The area of the parallelogram below is square meters.
a parallelogram with height labeled with 7 meters. the top horizontal side is labeled 9 meters. the base of the left triangle formed by the height is 2 meters.

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.