Can someone please help me

Which of the following is a business practice to reduce coast by controlling all aspects of production in an industry

Which characteristics best describe aaron douglass’s painting, song of the towers

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.