The greatest common factor of 24 and 36 in the least common multiple of a pair of numbers which two could they be

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.

Plzzz answer both questions and i will give you 100 points