Answer:
The correct answer is C
Step-by-step explanation:
Cybil owes her sister $7. Her aunt pays her $5 to walk her dog. How much money does she have after she pays her sister?
2 answers:
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Answer:
see below
Step-by-step explanation:
Find the magnitude (-1)^2 + (sqrt3)^2 = m^2 m = 2
find the angle arctan (sqrt3/-1) = 120 degrees
the cube root would then be
(cos 40 + isin 40)