You need to confirm a meeting time in a reply. Which is correct?

I confirm that the meeting will take place at 10:00 AM tomorrow.

A colleague sends you information you requested. How do you respond?

Thank you for sending the information. It’s very helpful. 

You’re attaching a file to your email. What’s the best sentence to include?

I’ve attached the file for your review.

You realize you missed replying to an email. How do you start your late response?

How do you politely request feedback at the end of your email?

I’d appreciate your feedback at your earliest convenience. 