Question 29 2 points Save Answer The AOA network for a certain project is given in the graph below with the task durations (in days) in the table beneath it. The activities d1 and d2 are dummy activities. What activities are on the critical path? Activity a b d e f g h Duration 8 12 8 5 10 7 0 d1 d2 O c.f.h O a,d,g O ab,e O a,d1,e O None of the other choices are correct 5 h Question 30 2 points Save Answer The AOA network for certain project is given in the graph below with the task durations (in days) in the table beneath it. The activities d1 and d2 are dummy activities. What is the duration of this project? Activity a b d e f g h Duration 8 12 8 5 5 7 d1 d f O 25 days O 18 days O 20 days O 17 days O None of the other choices are correct g h 10 0 Question 31 2 points Save Answer The AOA network for a certain project is given in the graph below with the task durations (in days) in the table beneath it. The activities d1 and d2 are dummy activities. What is the slack for activity g? Activity a b d e f g h Duration 8 12 8 5 5 7 0 d1 O None of the other choices are correct O-15 days O 12 days O 6 days O 0 days d f h 10