<span>Consider the remainder of the division of the power exponent of i by 4.
For a remainder r equal to 0, 1, 2 or 3, we have a power equal to 1, i, -1 or -i respectively, therefore:
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Answer:

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55%
you add 15% and 30% get 45%
then 100%-45%=55%
Step-by-step explanation:
x/ 3 = 2 / 9
Cross multiply
9x = 6
x = 6 / 9
x = 2 / 3
Divide 15 by 20
15 divided by 20 is 75%
Answer:
good luck cause i dont know
Step-by-step explanation:
heheh