Click on the etutoring link on the materials page. What service can be found at this link? Btw this is on idla

Larry sent an email to andy. andy didn't open larry's email but still understood what the message was. how did andy determine the message without opening the email?

Dave has to create animations for a game. which tool can dave use?

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.