Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
Objective Function: z = -5x - yFind maximum.
A. maximum: -22
B. maximum: -18
C. maximum: -15
D. no maximum
Answer: C
Mathematics
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Find the following. Assume that the letter can represent any real number.
A. 
B. z + 2
C. (z + 2)2
D. 
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Evaluate.53 + 40
A. 15 B. 125 C. 27 D. 126
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Solve the problem.Find the distance between the skew lines 
and 
A. 2
B. 2
C. 3
D. 3
Mathematics
The graph of velocity lies below the horizontal axis. What can be said about the graph of directed distance?
A. It is above the horizontal axis. B. It is below the horizontal axis. C. It is increasing. D. It is decreasing.
Mathematics