Which statements are true about the multiplication and division properties of rational expressions? Check all that apply.

What is the least common factor of 6 and 8

Using elimination, what is -4x+2y=-12 4x+8y=-24

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.