Approximately how many user accounts were affected by a 2013 hack of the yahoo technology company, which it just announced this week?

Helen's credit card has an apr of 15.32% and a grace period of 17 days and helen pays her balance in the full every month. if her last billing cycle ended on september 26, 2009, and she made her payment on october 11, 2009, did she owe any interest on her last statement's balance?

Some peer-to-peer networks have a server and some don't. true false

Why does the pc send out a broadcast arp prior to sending the first ping request