Find the value(s) of the function, subject to the system of inequalities.Find the maximum and minimum ofz = 18x + 24y subject to x ? 0, y ? 0, 4x + 5y ? 30, 4x + 3y ? 20, x ? 5, y ? 8.
A. 90; 0
B. -97.5; -144
C. -144; 0
D. 90; -144
Answer: D
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The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose first?
A. BD B. EF C. DF D. BF E. none of these
Find the first year's depreciation using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates 
Cost: $296,500Period: 7-year
A. $29,650 B. $72,613 C. $59,300 D. $42,370
Solve the problem.A nail 5
inches long is driven into a board 2
inches thick. How much of the nail protrudes from the other side of the board?
A. 
inch
B. 2
inch(es)
C. 
inch(es)
D. 5
inch(es)
Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.-6x + 108 + 3(2x - 33) = 0
A. Identity; {all real numbers} B. Conditional; {2} C. Conditional; {1} D. Contradiction; ?