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.The gravitational force (in lb) of attraction between two objects is given by 
where x is the distance between the objects. If the objects are 5 ft apart, find the work required to separate them until they are 50 ft apart. Express the result in terms of k.
A. 
k
B. 
k
C. 
k
D. 
k
Mathematics
Solve and check.
= 6
A. 
B. 
C. 6
D. 36
Mathematics
Simplify.2112 ÷ (88 ÷ 8)
A. 8 B. 88 C. 24 D. 192
Mathematics
Write a percent for both the shaded and unshaded parts of the figure.
A. 0% shaded; 100% unshaded B. 100% shaded; 0% unshaded C. 0.1% shaded; 99.9% unshaded D. 1% shaded; 99% unshaded
Mathematics