Help now please .

:calculate the sum of the interior angles of a 13-sided polygon.

Why is the indus river so important to the people of pakistan?

England is a small country. why is english spoken in so many places worldwide? a. england colonized many places throughout the globe. b. the english language is the easiest language to learn. c. england is located near the prime meridian, making it a popular tourist destination. d. because england is an island nation, it has had many visitors.