<p>I doubt the octagon one was experimental.</p>
<p>was the AB+AC<BC experimental. I know that I had that same question on my march test(which I believe was experimental then). That section also had the question about book pages(I'm pretty sure that the book pages one was on my march experimental too)</p>
<p>i don't think that one was experimental either cuz i got it but it mighta been</p>