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
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. An acupuncturist notes that after a month of acupuncture 80% of her patients who had been suffering from depression are feeling better. The acupuncturist determines the level of depression by interviewing the patients at the beginning of the month and at the end of the month. She concludes that acupuncture has an 80% success rate in relieving depression.
What will be an ideal response?
Combine the following, if possible.-19
+ 7
A. -26x
B. 27
C. 11
D. -12
Find the flux of the curl of field F through the shell S.F = -7zi + 5xj + 4yk; S is the portion of the cone z = 4
below the plane z = 1
A. - 
?
B. - 
?
C. 
?
D. - 
?
Find all rational zeros and factor f(x).f(x) = 12x3 + 61x2 + 4x - 5
A. - 
, 
, -5; f(x) = (3x + 1)(4x - 1)(x + 5)
B. - 3, 4, -5; f(x) = (3x + 1)(4x - 1)(x + 5)
C. - 
, 1, -5; f(x) = (12x + 1)(x - 1)(x + 5)
D. - 3, 4, -5; f(x) = (x + 3)(x - 4)(x + 5)