Not all Petco's fault...you should have quarantined that fish.
It probably came in carrying some sort of bug, or else your other fish shouldn't have died, assuming water conditions etc were good.
I am a junior who scored very well on the ACT (33). I plan on taking it again, as I didn't finish two of the sections, and I know I can do better.
This was the first time taking the writing test--I've taken the ACT without it twice before. (24 in 6th or 7th grade, 31 as a sophomore).
My...