1. This page is edited in the Components/G5 Themes in the upper left outline *What to Expect (FAQ).
2. in the Mainbar area, you will find two Info List particles labeled, What to Expect 1 and What to Expect 2, which correspond to the two columns on the page.
3. Click the gear icon to edit the particles. You can edit the infolist items or add/delete items in the info lists. 
4. If you would like a single column of questions, just click the gear icon on the right infolist and toggle the upper right green icon to unpublish that infolist.