9) Bechtold Construction is in the process of installing power lines to a large housing development. Steve Bechtold wants to minimize the total length of wire used, which will minimize his costs. The housing development is shown as a network in Figure. Each house has been numbered, and the distances between houses are given in hundreds of feet. What do you recommend?

11) Transworld Moving has been hired to move the office furniture and equipment of Cohen properties to their new headquarters. What route do you recommend?

19) The road system around the hotel complex on International Drive ( node 1) to Disney World ( node 11) in Orlando, Florida, is shown in this network. The numbers by the nodes represent the traffic flow in hundreds of cars per hour. What is the maximum flow of cars from the hotel complex to Disney World?

I need it on EXCEL QM/POM QM.

9) 11) 19)