Answer:
13
Step-by-step explanation:
the next one is D
First drop the line.
How many units is it from Point r to the x axis?
12.
How many units is it from Point r to the y axis?
5.
Now we can use the Pythagorean Theorem.
ssshzvecucsussddyz wksoav
D.
That is the answer. The complex numbers have opposite real parts.