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 : -4a+10
Substitute (a-3) for x
-4(a-3)-2
-4a+12-2
-4a+10 but can also be written as -2(2a-5)
Answer:
10x - 5y = 15
-5y = -10x + 15
y = 2x - 3
Step-by-step explanation:
Answer:
-12= -12
Step-by-step explanation:
You're correct dw!