On My Profile page, post a new note to the Note Board that says leaving tomorrow.

Answer: See the explanation.

Explanation:
Step 1: Select your My Profile drop-down menu at the upper right corner on the screen.

Note: Note A team site created within SharePoint includes a My Site link in the My Profile dropdown menu of your user name found in the upper right of the screen.
Step 2: Click the Tags & Notes button.
Step 3: Click the Note Board tab.
Step 4: Enter text: leaving tomorrow.
Step 5: Click Post.