Mis directly proportional to r2
when r=2, m=14
work out the value of m when r=12

The answer is

22

This passage is in praise of the administration of Timur's central Asian empire.

Explanation:

a. This passage is explaining why the administration of Timur is good and how the nation is prospering under him and his policies on the land.

b. The major economic development in the area is the strengthening of the silk route which is very evident in the way that Samarkand is the center where there are products from China, India Russia and the Arab.

c. The cultural interactions due to the economic development was that all sorts of people from all walks of life mingled and lived together as is evident in Samarkand where people from many ethnicity lived and traded,