The table below shows the scores of a group of students on a 10 point multiple choice exam.
What is the the mean score on the exam?
A. 5.5
B. 6.5
C. 6
D. 5
Answer: C
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Provide an appropriate response.Let U represent the set of prisoners in United States prisons. Let A represent the set of prisoners in California state prisons. Describe A'.
A. The set of prisoners in all the prisons in the world. B. The set of prisoners in California state prisons who aren't United States citizens. C. The set of United States prisoners that are not in California state prisons. D. The set of prisoners in California state prisons.
Describe the given set of points with a single equation or with a pair of equations.The circle of radius 2 centered at the point (0, -9, 8) and lying in a plane perpendicular to the 
A. 
2+ 
2+ 1 = 22
B. 
2 + 
2 = 22 and x = 0
C. (y + 9)2 + (z - 8)2 = 22 and x = 0
D. (y + 9)2 + (z - 8)2 = 22 and y + z = -1
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.4 sin2 x - 1 = 0
A. 
B. 
C. 
D. 
Match the function to its graph.y = -tan x
A. 
B. 
C. 
D. 