55 points!

defeated in the ming dynasty during the 1600s. the empire was often corrupt and incompetent. signed treaties with western europe powers. gave away ports and trading rights.

a. habsburg empire

b. mongolian ! anchu empire

c. ottoman empire

B. Mongolian manchu Empire

Explanation:

The mongolian manchu empire was defeated by the Ming dinasty during the 1600´s, as they trade away many ports and other crucial points in China and all over their empire they made the chinese people felt like they didn´t had a country anymore and were becoming colonies from different european countries, this eventually lead to the fight of the Ming dinasty for the power and they were defeated.

the correct answer is b

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69