B. The powers that are not specifically assigned to the federal government
There is a subtle difference between Arctan and arctan
Arctan(x) is an inverse function such that the range is only the principla value
meanwhile, arctan(x) takes on infinitely many values
hope this helps
He began ruling in <span>2061 </span>BC.
Generally speaking, "A. the average election results of the President of the United States" would not be considered an example of geography's impact on history, since this has little do with with geography in the United States.
