Answer:
Sometimes
Step-by-step explanation:
Lets see
Let x be a positive number
x=3
|3| = 3
True
Let x =0
|0| = 0
Let x be a negative number
x=-3
|-3| =-3
3 = -3
False
So this is sometimes true
n=9
just did it
b
It would be a right triangle
Step-by-step explanation: I drew it out