-4(x-5)+8x=9x-3
Can somebody help me with this problem

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

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.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2