Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
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: D
Mathematics
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Solve the problem.A propeller on a wind generator rotates 1.24 rad in 1.5 s. How many degrees does the propeller rotate in 
A. 142° B. 0.022° C. 71.0° D. 35.5°
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Multiply and simplify.
? 
A. 
B. 
C. 
D. - 
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Write the percent as a fraction or mixed number in simplest form.9%
A. 
B. 9
C. 
D. 
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Solve.A doctor ordered 4 L of a 0.5% saline solution. How many milliliters were ordered?
A. 2,000 mL
B. 2 mL
C.
| 400 mL |
D. 4,000 mL
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