Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 1, -1, -i
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: A
Mathematics
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in estimating 
with n = 10 steps.
A. 
B. 
C. 
D. 
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Add.8,780 + 734 + 51 + 7,421
A. 16,986 B. 16,876 C. 15,976 D. 15,886
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Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. q, r, s and t B. Only s C. r, s and t D. q and s
Mathematics
Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Circular cylinder: r = 11 ft, h = 7 ft
A. 2659.6 ft2 B. 1243.4 ft2 C. 113 ft2 D. 791.3 ft2
Mathematics