Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi.
10
A. - 
+ 
i
B. 
- 
i
C. 
+ 
i
D. - 
- 
i
Answer: D
Mathematics
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Find the cardinal number of the indicated set by referring to the given table.V ? (P ? W),given the following table:
A. 343 B. 158 C. 0 D. 369
Mathematics
Solve the problem.A stone is thrown into a pond. A circular ripple is spreading over the pond in such a way that the radius is increasing at the rate of 2.6 feet per second. Find a function, r(t), for the radius in terms of t. Find a function, A(r), for the area of the ripple in terms of r. 
A. (A ? r)(t) = 6.76?2t B. (A ? r)(t) = 2.6?t2 C. (A ? r)(t) = 5.2?t2 D. (A ? r)(t) = 6.76?t2
Mathematics
Evaluate the following expression using a unit circle.cos 
A. 1
B. 0
C. -1
D. 
Mathematics
Fill in the blank with the correct inequality symbol.If x < 3, then -4x 
-12.
A. < B. ? C. ? D. >
Mathematics