1. part a: which statement identifies the central idea of the text? a. north korea is changing and improving how it treats its citizens. b. north korea will likely never make progress in the international community. c. north korea is a secretive and controlling country that is starting to engage with former enemies. d. north korea is desperate to receive from other nations, and the kim dynasty is trying to reform the country.

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

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.

because they can and they wanted to.