When using the powerpoint online application, to add or delete a slide in a presentation, go to the tab.

design
file
home
insert

What are two ways to access the options for scaling and page orientation? click the home tab, then click alignment, or click the file tab. click the file tab, then click print, or click the page layout tab. click the page layout tab, or click the review tab. click the review tab, or click the home tab?