Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330°
B. 5 cis 0°, 5 cis 60°, 5 cis 120°
C. 5 cis 45°, 5 cis 165°, 5 cis 325°
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: D
Mathematics
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Solve the problem.Find the centroid of the region cut from the fourth quadrant by the circle x2 + y2 = 4.
A. 
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B. 
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= - 
C. 
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, 
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D. 
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, 
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Mathematics
Solve the problem.Ellen wishes to mix candy worth $1.80 per pound with candy worth $2.40 per pound to form 48 pounds of a mixture worth $2.00 per pound. How many pounds of the more expensive candy should she use?
A. 16 pounds B. 22 pounds C. 32 pounds D. 28 pounds
Mathematics
Graph the integrand and use geometry to evaluate the integral.
A. 49
B. 7?
C. 49?
D. 
?
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Evaluate the determinant.
A. 7 B. -5 C. 5 D. -1
Mathematics