Consider the simplex tableau that is the final one in a problem to maximize x + 2y + 3z. 
What is the maximum value of x + 2y + 3z?
A. -19.
B. 0.
C. -12.
D. 19.
E. none of these
Answer: D
Mathematics
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- 1 = 
A. 
B. 
C. 
D. 
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A. 
B. - 
C. 
D. - 
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Follow the rules for working with measurements.A concrete product is being designed. It is a cube 8 ft on a side. To reduce the weight of the final product, it will be "voided" using a cardboard box. If 4 in. of concrete must be maintained and there is no concrete on the bottom, find the dimensions needed for the drawing of the cardboard box.
A. 7' 8" 
7' 5" 
7' 8"
B. 7' 6" 
7' 4" 
7' 8"
C. 7' 4" 
7' 4" 
7' 8"
D. 7' 6" 
10' 4" 
7' 8"
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