It's the week before the ACT. You don't know what to do, you say?
1. Re-take a practice test.
With only a week before the test, any studying needs to build confidence and reinforce what you've already learned. Don't spend time learning new material: cramming isn't very effective, and it'll just stress you out.
Choose a practice test you've done before, preferably a long time ago, and take it again under timed conditions. If you've been studying,...