Let $x$, $y$, and $z$ be nonzero real numbers. find all possible values of \[\frac{x}{|x|} + \frac{y}{|y|} + \frac{z}{|z|} + \frac{xyz}{|xyz|}.\] list your values in increasing order, separated by commas.

cheater

step-by-step explanation:

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)

question

given the diagram below, what is md?

the sum of the interior angles is 360°

take away from 360 the sum of the knows angles and you will have the angle d.

360 - 108 - 108 - 72 = 72°