?For a particular population, the largest distance (deviation) between a score and the mean is 11 points. The smallest distance between a score and the mean is 4 points. Therefore, the standard deviation .

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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.