If a=6 and b=4, evaluate the following expression:20−2a+3b​

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

How did the actions of tsar nicholas 2 and his wife lead to revolution in russia

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.