What is the absolute value of the complex number -4-\sqrt(2)i

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?