Select all that apply. select the items that describe possible problems with being unemployed and not earning income. a) people cannot afford to buy food. b) people cannot support their families. c) people cannot afford medical treatment. d) people cannot afford housing.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

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.

Many of these mythological stories were filled with violence. why do you think this is?