Answer:
π = 2A/ r²
Step-by-step explanation:

Answer:
You forgot to give us an image, please go do that
Step-by-step explanation:
Answer:
What is the problem?
Step-by-step explanation:
Please upload.
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:
Infinitely many solutions
Step-by-step explanation: