If
, then
and
because
lies in the fourth quadrant.
By DeMoivre's theorem,

so the answer is B.
8 over 9
= 8/9
= 8:9
Final answer: 8:9~
If the baby went to sleep at 9:30 and woke at 2:45.
Then the baby slept 5 hours and 15 minutes.
Just start at 9:30 and skip count 9:30, 10:30, 11:30, 12:30, 1:30, 2:30 that's 5 hours and from 2:30 to 2:45 is 15 minutes.
Hope this helps. :)
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Answer:
awnser my question
Step-by-step explanation:
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