If a website goes down and doesn't get back up for 5 hours how long would it take for it to come back up?

How can a user open a blank presentation? 1.on the file menu, click new, and then click recent templates 2.on the file menu, click new, and then click blank presentation 3. on the view menu, click templates, and then click recent templates 4. on the view menu, click samples, and then click blank presentation

What is the difference between the internet and the world wide web?

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables