I checked my transactions and found two of the three were recorded. I also found this:
Recent Transactions
Easily keep track of points earned from your recent Rapid Rewards Shopping transactions below. Points are typically posted to your Rapid Rewards Shopping account within six weeks, and often as early as just a few days! However, points earned from Rapid Rewards Shopping can take an additional 60-90 business days to be applied to your Rapid Rewards balance.
Well, let's not let those points get stale while waiting for them to post. Up to 4.5 months from purchase to post to my RR balance.