To get x on its own, to add 7 to both sides so the -7 on the LHS gets cancelled out.
~ x <span>≤ -12 + 7
~ x </span><span>≤ -5
(C)</span>
I think to me it means if you lie or stab your friend in the back in the end or sometime soon you something bad will happen. He uses the wired famish which kind of means starve but I think what he means was you'll be in immense pain later on.
Meaning you should be thankful for you friends and not be an a-hole.
Unions played a very important role in improving wages, and work conditions. They outlawed child labour, and made work days 8 hours instead of 12. Unions started to improve safety and work conditions. They also worked towards equal pay for women. There is so much more unions have done, these are just a few small examples.
I hope this helps.
The hidden member of the OPEC in this bunch is Venezuela, so C. Hope this helped :)