Use series to evaluate the limit.
A. 0
B. 9
C. 
D. 
Answer: C
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Answer the question.Double blinding is used in an experiment to avoid which of the following problems?
A. If improvement is observed in a patient, it is difficult to know whether this is due to the treatment or the placebo effect B. If the patient knows that he received the placebo and not the treatment he may be angry and fail to tell the truth C. If the researcher knows that the patient received the treatment, the researcher may also experience health changes D. If an experimenter knows whether the patient has received the treatment or the placebo, this may influence how he or she questions the patient
Solve the problem.A bird flies from its nest 6 km in the direction 23° north of east, where it stops to rest on a tree. It then flies 9 km in the direction 30° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (5.523, 2.344) B. (-3.197, -5.077) C. (2.344, 5.523) D. (0.9205, 0.3907)
Provide an appropriate response. Discuss why a set of data can have no mode, one mode, or more than one mode.
What will be an ideal response?
Find the exact area of the circle in terms of ?.
A. 121? ft.2 B. 30.25? ft.2 C. 1774.67? ft.2 D. 484? ft.2