Welcome to the Community, @CLHC. I'll share details on why the transactions you've mentioned show in your QB bank balance inside QuickBooks Online (QBO).
The program keeps track of all the transactions added to the company file. Thus, the total amount in the bank account listed in your Dashboard includes those bank deposits and transactions you have not yet reviewed and categorized.
On the other hand, here are some articles to help you manage bank transactions and reconcile an account inside QBO:
If you have additional QuickBooks-related questions or when handling transactions inside QBO, visit us anytime. As always, our team will be around to extend a helping hand. Keep safe.