Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Answer: D
Mathematics
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Perform the indicated operations.(2x - 2y)(4x - y)
A. 8x2 - 10xy + 2y2 B. 6x2 - 7xy + 2y2 C. 6x2 - 10xy + 2y2 D. 8x2 - 10xy + 2y
Mathematics
Suppose that of 80 workers randomly selected and interviewed, 53 were opposed to an increase in Social Security taxes. Would you accept or reject the hypothesis that the majority of workers are opposed to the increase in taxes? ?
A. reject B. accept
Mathematics
Solve the equation graphically. Approximate the solution to the nearest hundredth, if appropriate.x = 
+ 7
A. 3 B. No solutions C. 12 D. 3, 12
Mathematics
Multiply. Leave the answer in factored form when appropriate.
? 
A. 
B. 
C. 
D. 
Mathematics