What can make an online interface difficult to use?

Mary's manager told her she should insert a graphic into her documentwrite mary a brief note describing how to insert a graphicin a word processing document.

If i wanted to include a built-in calendar in a document, what option could i select? draw table insert table insert chart quick tables

Describe a data structures that supports the stack push and pop operations and a third operation findmin, which returns the smallest element in the data structure, all in o(1) worst-case time.