Select all that apply. The standard deviation (or MAD) is a number that helps us understand...

A. measure of variability
B. measure of center
C. how far data is away from the median
D. how far data is away from the mean

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.