Which of the following is among the advantages that the north (union) had in the civil war? select one: a. more industry b. large navy c. a large population d. all of these were advantages during the civil war

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: (