How does standard deviation work?
i understand the steps, but how to get the end result? when i divide the square root by n-1, i don't end up with an accurate end result.

Which shows the graph of the solution set of 3y – 2x > –18?

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?

The least common denominator of 4/8 and 11/18