Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(2, -2)
A. 
B. 
C. 
D. 
Answer: B
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Find the quotient. Write the answer in standard form.
A. - 
- 
i
B. 
- 
i
C. 
- 
i
D. - 
+ 
i
Solve the problem.Maria and Charlie can deliver 80 papers in 4 hours. How long would it take them to deliver 40 papers?
A. 160 hr B. 2.5 hr C. 2.0 hr D. 8 hr
Write the equation for the shape described.The circle with endpoints of a diameter at (-1, 4) and (-1, -4)
A. (x - 4)2 + y2 = 1 B. x2 + (y - 4)2 = 1 C. (x + 1)2 + y2 = 4 D. (x + 1)2 + y2 = 16
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856