I’m going to share my friend old pics from 2009 to him through email , what should be the email subject?

Im back macdoolittle to get you in first place on the leaderboard

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.