...and are your questions/answers deleted along with that or are they still findable via search engines or with a URL?
Please do not vandalize the content you posted. Meaning, you should not delete all your questions and answers and then have your account deleted.
By posting here you gave Stack Exchange an irrevocable license to use your content. You can have posts anonymized, but you do not have the right for them to be permanently deleted (unless they contain personally identifying information). Ideally we want to preserve good content you posted, e.g. questions with answers or answers with upvotes.
If you want to delete your Stack Exchange accounts please follow the instructions in our help center.