After a researcher adds 5 points to every score in a sample, the standard deviation is found to be s = 10. the original sample had a standard deviation of s = 5. a. true b. false

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.