Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 1, -1, -i
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: A
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A. $116.75 B. $112.08 C. $121.42 D. $58.38
Indicate whether the statement is true always, sometimes, or never.The sum of two imaginary numbers is an imaginary number.
A. Never B. Sometimes C. Always
Find the equation of the parabola with the given focus and directrix.
A. y = 
x2
B. x = 
y2
C. y = x2
D. y = 24x2
Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.d = 9
mi
A. 29.8 mi; 29.8 mi2 B. 14.9 mi; 283.4 mi2 C. 14.9 mi; 59.7 mi2 D. 29.8 mi; 70.8 mi2