PEMDAS. (-4) - 18 - (12 + 3)
1. Parenthesis, simply what's in them.
(-4) -18 - (15)
2. Combine like terms.
-4 - 18 - 15 = -37
Hope this helped.
What you are reading and think what is in the text so you can understand it better.
The soviet union
<span>The soviet union had boycotted UN security council vote regarding the invasion of an aggressor nation North Korea, which had invaded South Korea with an aim of reunifying the two.The soviet union veto power was therefore not used as they had boycotted.</span>
The Industrial Revolution started in England because <span>It had a growing population and large deposits of coal and iron.</span>
I believe it’s C.) Tariff Reform