I would say B is the correct answer

; to find the length of the hypotenuse, you have to use the pythagorean theorem, which states that, in a right triangle,

.

and

would be the two legs, while

would be the hypotenuse. You need to plug in the values of the legs as

and

:

. Solve for the squares of the two numbers, resulting in

, and ultimately

. Find the square root of

and

, and you get

.
Is this multiple choice? If so, can you show it so I can help?
<span>Conflict and ethnic persecution forced natives/people from the Balkans to flee their homelands.</span>
They really help in the process of Africa's state building, creating commercial networks between parts of the continent, and introducing literacy ( especially on northern part of Africa)
They also controlled the sea route between Asia and Africa and managed to maintain the relationship between Africa and the middle east