The shadow cast by an object on a sunny day is directly proportional to the height of the object. If a person 66 inches tall casts a shadow 67 inches long, how tall is a tree which casts a shadow 42 feet in length? Round to the nearest hundredth if necessary.

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.