20. Mischa dives from a platform that is 5 meters above water her dive takes her 2.1 meters below the surface of the water, which expression could represent the distance, in meters that Mischa dives Select all that apply O 5-(-2.1) O -(2.1) -(-5) 121-5 O 1-(2.1) -- 5 O 15+(-2.1) (

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.