Find all cube roots of the complex number. Leave answers in trigonometric form.-3
+ 3i
A. 
cis 50°, 
cis 170°, 
cis 290°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 50°, 
cis 170°, 
cis 270°
Answer: A
Mathematics
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 2)(
- 2)
A. 6
B. 12
C. 4
D. 8 - 2
Mathematics
Evaluate the sum.
A. -115 B. 1489 C. 1435 D. -165
Mathematics
Rewrite the series using summation notation. Use 1 as the lower limit of summation.6 + 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 22°B = 26°a = 36.2
A. C = 133°, b = 71.8, c = 42.4 B. C = 132°, b = 42.4, c = 71.8 C. C = 132°, b = 71.8, c = 42.4 D. C = 133°, b = 42.4, c = 71.8
Mathematics