Find all cube roots of the complex number. Leave answers in trigonometric form.3 + 3i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Answer: B
Mathematics
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A. 1.40 B. 2 C. 3.22 D. 5
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Solve the system of linear equations using matrices.
A. (12, -2) B. (-2, 3) C. (7, 12) D. (3, 7)
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Decide whether or not the ordered pair is a solution to the equation.-6x + 18y = 24; (-1, 1)
A. Yes B. No
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The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 2, b = 2
A. 2
B. 2
C. 8
D. 7
Mathematics