Navigate to your profile by clicking "My Business" in the top right of your screen as shown below:

Once on your profile, click "Recommendations" on the secondary menu bar located right below the search bar as shown here:

If you have any Pending Recommendations (recommendations that have been given to you that you have not yet accepted), they will be shown in the top section of this page: "Accept Recommendations you'd like visible to others".

You can reject or ignore any pending recommendations by hovering over a pending recommendation you would like to ignore and clicking the “X” in the top right corner of the recommendation.