What component on a smartphone requires pairing with another device?

When jen is planning to upgrade to a monitor with a better resolution, what should she be looking for in the new monitor?

For her science class, elaine is creating a presentation on weather in the united states. she wants to make the presentation beautiful and interesting by drawing simple cloud or wave shapes. which is the best way for elaine to draw these shapes?

The first time a user launches the powerpoint program, which view is shown allowing the user to access recent presentations or create new presentations based on templates?