Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Answer: D
Mathematics
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Rationalize the denominator.
?
What will be an ideal response?
Mathematics
Solve the problem.Find the perimeter. Approximate the result to the nearest tenth using 3.14 for ?.
8 cm
A. 59.1 cm B. 46.6 cm C. 51.1 cm D. 38.6 cm
Mathematics
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (0, 
) and (0, -
)
C. foci at (
, 0) and (-
, 0)
D. foci at (2
, 0) and (-2
, 0)
Mathematics
Evaluate the function for the given value. Round to the nearest thousandth.f(x) = ex; f(3.9)
A. 0.471 B. 49.402 C. 54.598 D. 1.361
Mathematics