The results of a common standardized test used in psychology research is designed so that the population mean is 135 and the standard deviation is 10. A subject earns a score of 125. What is the z-score for this raw score? z-score =

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

Solve for x, y, and z. show all steps.

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides