Y² + 4x - 20 - 2y = -x²
1 answer:
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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!
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CIRCUMFERENCE
- The distance all around the circle. Calculated:
.
PI
- An irrational number. Equals the ratio of a circle's circumference to its diameter. It's approximately 3.
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