9-1 Is the transportation model an example of decision making with certainty or decision making with uncertainty? Because?

9-3 What is a balanced transportation problem? Describe the approach you would use to solve an unbalanced problem.

11-1 What is the minimal spanning tree technique? What kinds of problems are solved with this quantitative analysis technique?

11-7 Describe how the peak flow problem is modeled as a transshipment problem.