Determine the given complex number raised to a power and write the answer in rectangular form.(cos 30° + i sin 30°)12
A. i
B. 1
C. -i
D. -1
Answer: B
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Find the mean for the group of data items. Round to the nearest hundredth, if necessary.10, 12, 8, 7, 6, 9, 11, 8
A. 10.14 B. 9 C. 8.88 D. 7.88
Solve the formula for the specified variable.R = nE - nr, for n
A. n = 
B. n = R - E + r
C. n = R + nr - E
D. n = 
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
, where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
. Find P(x).
A. P(x) = -0.3x2 + 54x + 13 B. P(x) = 0.3x2 + 54x - 39 C. P(x) = -0.3x2 + 57x - 13 D. P(x) = 0.3x2 + 57x - 26
Find the first three terms of the sequence whose 
th term is given.
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What will be an ideal response?