Needs will give points to who gives out an honest answer

The correct answer is the last option - Add to Document.

When you choose to add the envelope to the document it adds the envelope as the first page of the document. When printing you can either print it as part of the document, or customize your printing to only print the envelope or the letter individually.

answer; i believe that the correct answer is (training);

you can not change you age soon as you signed up. the only way is too delete your account and use another account to sign up and put your correct age.