Answer:
18
Explanation:
To round a decimal/fraction to a whole number (0,1,2,3 and so on...), you need to see what the incomplete part of the decimal is. 17 9/11 is approximately 17.82. 17.82 can then be rounded to 18. Hope this helped, and if you need any more help, just ask me :D
To prevent the spread of communism.
My assumption to this sentence would be Music.
The answer will be that he invaded rusia