Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Give an appropriate answer.If f(x, y, z) = 
3/2 find fz(x, y, z).
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.-6 - 10
+ 20
- 
A. -6 + 8
B. 38
C. -6 + 38
D. -6 - 38
Mathematics
Solve the problem.A comet follows the hyperbolic path described by 
where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 1.1 million mi B. 1.7 million mi C. 8 million mi D. 3.6 million mi
Mathematics
Select the correct graph of the functions f and g in the same viewing window. Zoom out sufficiently far to show that the right-hand and left-hand behaviors of f and g appear identical.
?
, 
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics