@VegMeg55 You already know what you need to do ... get a 175+. If you can't do that in October, then don't take it in October. You'd do much worse to apply with a 170 (below the median for all 3?) early than to apply a bit later with a 181 ... like this ...
Some of the older PT won't be on 7Sage so you'll need to use https://www.manhattanprep.com/lsat/resources/question-explanations.cfm orhttp://lsathacks.com/