<span>Which is true about supporting details?<span> <span>Irrelevant details are unrelated to the point the author is making.Essential details are those that do not directly support an author’s main point.A good reader does not distinguish between relevant</span></span></span>
I’m pretty sure its 21 cause 9+10 is 21
Just try to make it as imaginable as possible let your readers feel and see what you are writing to them