Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330°
B. 5 cis 30°, 5 cis °60, 5 cis 90°
C. 5 cis 90°, 5 cis °180, 5 cis 270°
D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Answer: A
Mathematics
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A. 0.5455
B. 0.554554554...
C. 0.4
D. 0.464664666...
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Find the difference.8 - 15
A. -23 B. -7 C. 7 D. 23
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Use rules of exponents to simplify the expression. Use positive exponents to write your answer.
A. x10
B. x60
C. 
D. 
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Use an equation to solve the problem.At the break-even point for a company, the income is equal to the production cost. For a VCR company, the cost of producing t VCRs is 
The income for selling t VCRs is 46t. How many VCRs must be sold to break even?
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