Answer

1.  Click Start Assignment.  Screenshot of Start Assignment button

2.  Click the Studio Tab.  Screenshot of taskbar with Studio tab selected

3. Still image of video with Submit button superimposed     In My Library, click and select the video you want to submit.

 

4.  For Embed options, toggle the Display Media Tabs, and click    Screenshot of Embed Options, with Display Media Tabs toggle selected

5.  Click the Submit Assignment button.

                    Screenshot of Submit Assignment button