Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 5 - 5i
A. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
B. 
(cos 60° + i sin 60°), 
(cos 180° + i sin 180°), 
(cos 300° + i sin 300°)
C. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
D. 
(cos 80° + i sin 80°), 
(cos 200° + i sin 200°), 
(cos 320° + i sin 320°)
Answer: A
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Thirty-one percent of people watch 7 hours of TV each week or 6% do not watch 9 or more hours of TV each week, and 18% watch 8 hours of TV each week.
A. True B. False
From the set below, select a number that fits the statement below. This rational number is not defined in the set of integers.
A) -4
B) 4
C) 3
D) 0
E) 
Decide whether or not the function is a probability density function on the indicated interval.f(x) = 
x2; [1, 4]
A. No B. Yes
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A. 16 mi B. 14 mi C. 17 mi D. 12 mi