John is an athlete. he has $120 to spend and wants to buy either a heart rate monitor or new running shoes. both the heart rate monitor and running shoes cost $120, so he can only buy one. this illustrates the principle that a. rational people think at the margin. b. trade can make everyone better off. c. people respond to incentives. d. people face trade-offs.

false

true

true

false

true

jefferson hoped to establish trade with the native american people of the west and find a water route to the pacific. jefferson also was fascinated by the prospect of what could be learned about the geography of the west, the lives and languages of the native americans, the plants and animals, the soil, the rocks, the weather, and how they differed from those in the east.

if it is a supervisor that collects all the handmade products the word is you but if it goes straight to the machine made activity there isn't any word unless there is robot programmed to say you.

answer; legislature;

answer; microtheory;