please answer 8-12!! will upvote! thanks ahead of time!

Question 8 ( 0.5 points) Based on the network diagram of a project shown above, answer Questions 8 through 17. All the numbers in the diagram are in weeks. What is the number of total paths from A to F ? 2 What is the critical path? A-B-C-D-F A-B-C-F A-B-D-F A-B-E-F Question 10 (1 point) What is the project duration? 16 17 14 15 What is the earliest time activity " C " can start, i.e., what is the ES of activity " C "? 7 4 2 6 Question 12 (1 point) What is the earliest time activity " D " can start, i.e., what is the ES of activity "D"? 7 6 11 13