Please help quick!!!!!

answer:
1. 13 if im correct
2. gulf of Mexico
3.roughly 2,300 miles
explanation:
1.count the states in or mostly in the grey
2. Mississippi River exits at the gulf of Mexico
3. web search
Answer:
There were 15 states included in the purchase, Louisiana, Missouri, Arkansas, Iowa, North Dakota, South Dakota, Nebraska, and Oklahoma; in addition, the area included most of the land in Kansas, Colorado, Wyoming, Montana, and Minnesota.
The body of water that the Mississippi River meets is The Gulf Of Mexico
The Mississippi River is approximately 2,318 mi