When mary jane steps into the elevator, she immediately glances at the other passengers and decides that the gray-haired man with the beard must be a professor at the college. mary jane engaged in the process of: ?

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

Which statement best explains the "culture of life? " (plato) a. it is the belief that all life is sacred and the implementation of policy in line with that vision. b. it is the idea that human embryos should be used to find cures to medical conditions. c. it is the belief that god created the world and that no one should meddle in affairs of life and death. d. it is the belief that human beings have the right to determine when and how they should die.

What do you know about harriet tubman?