Which steamboat took three hours longer than the Reindeer?

What are some effects outside of europe because of world war 1?

Even though the u.s. declared neutrality, who did most americans side with in wwi?

You are given the first four terms of an arithmetic sequence. why might you use a recursive formula? why might you use an explicit formula? under what conditions might a recursive formula be preferred over the explicit formula? under what conditions might an explicit formula be preferred over the recursive formula? pleasss ! sorry if it's a long question: (