Polygon abcd is translated to create polygon a′b′c′d′. point a is located at (1, 5), and point a′ is located at (-2, 1). what is the distance from b to b′ ?

How did the europeans design the national borders of africa? why?

The organ that has two atria and one ventricle is the

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory