I need help plz give me the answer if you dont that's ok :)♡♡♡

Which of the following phrases best describes american society in the early 1900s

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: (

Where is the indian ocean located on the map above? a. letter a b. letter b c. letter c d. letter d