WHAT THE HECK- really had to delete ALL OF MY ANSWER BECAUSE "I dIDNt ShOW aNyWoRK" BRO ATLEAST I GOT IT RIGHT- so now my points are gone to. :) and i had more then 1k bro WTH. (¬_¬")

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.