Q. Two cars leave the same parking lot, with one heading north and the other heading east. After several minutes, the northbound car has traveled 3 miles, and the eastbound car has traveled 5 miles. Measured in a straight line, how far apart are the two cars?

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.