Which were included among the “three principles of the people”? check all that apply. communism democracy socialism capitalism revolution

Democracy and Socialism were included.

Yes, you can add these square roots, and here's how to do it.

√6 + √24 = √6 + √4*6 = √6 + 2√6 = 3√6

You can add these squares because √24 can be written as square root of 4*6. As you already know, square root of 4 is 2, which means that you can add √6 and 2√6 and get 3√6. 

Step-by-step explanation: