The leader of the athenian empire worked to
a. give citizens direct input into the government.
b. create a dictatorship within the city-state.
c. withdraw from the surrounding territories.
d. bring together the city’s elected officials.
i don't believe it would be a. but i'm not sure on the others.

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: (