What does "route print" do?

Carline is a teacher who uses powerpoint. she wants to make sure all of her powerpoints are set up the same way with the same theme. she saved her original theme for the first chapter. she is working on chapter 2. which lists the correct steps for recovering her theme? click on design, open the theme gallery, select the theme out of the built-in section, and select apply. click on design, open the theme gallery, select the theme using browse for themes, and select apply. click on file, select new, select themes and find the saved theme. click on file, select options, select customize ribbon, and apply saved theme.