+25 Let z and w be complex numbers satisfying \(|z| = 4\) and \(|w| = 2\). Enter in the numbers
\(|z+w|, |zw|, |z-w|, \left| \dfrac{z}{w} \right|\)
below, in the order listed above. If any of these cannot be uniquely determined from the information given, enter in a question mark.
If it's not too much trouble I would appreciate steps with your answer as well.
