Solve the problem.Find the average distance from a point 
in the annular region 
to the origin.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Let n(A) = 4, n(B) = 9, and n(A ? B) = 2. Find n(A ? B).
A. 10 B. 11 C. 12 D. 13
Mathematics
State whether the graph is or is not that of a function.
A. Yes B. No
Mathematics
Solve the logarithmic equation symbolically.ln 3x + ln 6x = ln 19
A. x = 
1/2
B. x = 0
C. x = 
D. x = 1
Mathematics
Graph the lines and find the coordinates of the point of intersection.y = 
x - 1 and y = -x + 2
A. 
B. 
C. 
D. 
Mathematics