Answer:
D) 1
Step-by-step explanation:
When you start raising i to certain powers, you begin to notice a pattern.

This cycle repeats forever. Since 84 is a multiple of 4, i^84 must be 1. Hope this helps!
Answer:
The first column is transformation
The second one I have forgotten
Need other help
Answer:
Step-by-step explanation:
Pretty sure its true but im a little iffy
Answer:
=x+2
Step-by-step explanation:
Answer:
add all of them and divide by 2
Step-by-step explanation: