Ameasure of the amount of output produced by a given amount of inputs in a specific period of time is the definition of a) allocation. b) productivity. c) opportunity costs. d) equilibrium price.

17 million negroes cannot do as you suggest qnd wait for the hearts of men to change. tjis we cannot do unless we persue aggressively goals which all other americans achieved ove 150 years ago. how might martin luther king jr. respond to this statement?