After selecting multiple calendars, how do you view them in one single calendar? Open the Backstage view and then the Calendar options. In the Calendar view, click the Home tab, and click Combine. On the Home tab, click the Calendar tab, then the Merge button. In the Calendar view, click the View tab, and click the Overlay button.

its D. in the calendar view, click the view tab, and click they overlay button.

Explanation:

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answer; ///i believe that the correct answer is (c) along a 180-degree check first good luck

this seems to be in the wrong category. but i'll take some free points my dude

posting this in wrong category will result in people seeing it who won't know the answer.