If "op 20, no. 3" was printed next to a work in a music program, what would that mean?.

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

What should you do before editing a photograph? tag the photo. filter the photograph. change the iso setting. save a back up copy.

What's my zodiac sign? **20 points** my birthday is between august23rd and september22nd