21%............................

subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten
Answer:
First question: The United Nations issued a hybrid United Nations-African Union mission (UNAMID) to maintain peace in Darfur. It was established on 31 July 2007 with the adoption of Security Council resolution 1769. However, it formally took over on 31 December 2007.
Second question: As said above, international countries attempted to mediate peace in Darfur and helped. There is still conflict in the Darfur region but it is much lower than before and has grown much more stable.
Explanation:
Had been explained above.
Answer:
Tropic of capricorn
Explanation:
Because it is in the south of the equator
The correct answer is the Strait of Malaca!
This Strait is between the Malaysian Peninsula and Sumatra, an island belonging to Indonesia. The reason why this much of the world's items cross this line is that this the trade route between South Asia (India) and East Asia (China)