Find all the complex roots. Write the answer in the indicated form.The complex square roots of 2 (cos 
+ i sin 
) (rectangular form)
A. 
+ 
i, - 
- 
i
B. 6 - 2i, -6 - 2i
C. 
+ 
i, - 
- 
i
D. 
- 
i, - 
+ 
i
Answer: C
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Find the indicated probability.The following table show the results of a clinical trial for an allergy drug. 
What is the probability that a randomly selected person was given a placebo or improved? Round your answer to the nearest thousandth when necessary.
A. 0.942 B. 0.69 C. 0.772 D. 0.17
Provide an appropriate response.Solve the equation: x2 - 5x - 4 = 0 by graphing the function y = x2 - 5x - 4
Fill in the blank(s) with the appropriate word(s).
Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. What is the probability that you have at least 2 cherry candies?
A. 0.4909 B. 0.3362 C. 0.5758 D. 0.1515
Solve the problem.You have money in an account at 6% interest, compounded weekly. To the nearest year, how long will it take for your money to double?
A. 12 years B. 7 years C. 9 years D. 16 years