Is my answer correct? If not then what is the correct one?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

What is always true when two whole numbers are subtracted?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your