On this AON diagram, what is the length of the Critical Path(s)? H B 12 A 20 oo F 12 om UN 53 64 0 48 O 84 O 49 On this AON diagram, if activity F is crashed by 4 days, what would be the new length of the project? 11 E 10 10 D 12 C 8 12 39 O 31 0 72 O 35 40 On this AON diagram, which activity or activities have slack on path ACEGI? A-9 C-3 H-8 E-4 D-5 G-6 F-2 Only activity E has slack Only activity G has slack Both C and G have slack O Both E and G have slack O Only activity C has slack