How does a typewriter involve math and science?

My has been slow anyone else’s ?

Auniform resource locator (url) is a formatted string of text that web browsers, email applications, and other software programs use to identify a particular resource on the internet. true false

In 2009 to 2010, how many social network users were reported as being victims of online abuse? a. 1 in 10 b. 100% c.1 in 100 d. 50%