Write the complex number in rectangular form.6(cos 330° + i sin 330°)
A. 3
+ 3i
B. -3
+ 3i
C. -3
- 3i
D. 3
- 3i
Answer: D
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
??
A. 40.83 B. 39 C. 5.14 D. 3.66
Determine if the given set of whole numbers is closed under addition.{2, 4, 6, 8, . . . }
A. Not closed B. Closed
Rewrite the complex number in standard polar form, plot the number in the complex plane, and determine the quadrant in which the point lies or the axis on which the point lies.z = 2(cos 150° + i sin 150°)
A. z = 2(cos 210° + i sin 210°); Quadrant III
B. z = (cos 150° + i sin 150°); Quadrant I
C. z = 2(cos 60° + i sin 60°); Quadrant I
D. z = 2(cos 150° + i sin 150°); Quadrant II
Find the slope of the line that passes through points 
and 
.
?
A. 5 B. 2 C. 3 D. 7 E. 6