rate these hands in live $330 MTT

[furfur]

160 entrants. 90 remaining. 3K starting chips.
1. 200-400 blinds. MP I(has been active) makes it 1200(w/3400 behind). I push w/ A9o on button(3600 behind).
2. 200-400 blinds. MP1 just arrived at table and makes it 1200 w/ 4k behind. I push w/ 88 in SB(5600 behind).
3. 200-400 blinds. Next hand. Folded to me on button w/ AKo. I make it 1200. SB(9K behind) who is TAG calls. Flop Q99. Check-check. Turn 6. check-check. River 8. SB allin for 8k. I fold. I should have cbet flop i think.
4. 300-600 blinds. folded to cutoff w/ 6K. He has been very, very active and appears to understand low blind play. He open pushes. I have K,Jc in SB with 4800 and call.

Thoughts on all hands would be much appreciated.