What symbol precedes all structured references in formula autocomplete lists?

What is an rss reader used for? for creating a user account on a social new site

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive