3n^2/2 find the second term of the sequence

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

What is always true when two whole numbers are subtracted?