What was the significance of rome’s central location and geographic features

The north gained control of the northern part of the mississippi river once grant captured the city a. memphis b. vicksburg c. chattanooga

According to the map, most mining occurs in the a. northern b. southern c. eastern d. western

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: (