There is no way that site is legitimate. There is no legitimate unlock site for any Google service. Contact Google Support to have your account unlocked, and never provide your personal information to unknown sites.
No, you cannot. The social security number/card is attached to a certificate of death. Once a death certificate is officially filed with your state, the SS number is essentially invalid.
Call your bank/credit card company or Netflix customer support and find out where the charges are coming from. It is probably the monthly fee for Netflix.
Go to settings. And in settings, you should see a personalization option. Click it and in the personalization option, you should see a background option. You can change it in...