Y=2/5x-12 is it liear or nolinear or both

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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.