Would the equation V = 12(pie)h be linear if the radius was 6?

Solve: 3x+y=6 4x-2y=18 show all work !

What is the ratio of the length of an object in yards to the length of the same object in miles?

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.