Manuel is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Manuel has only 20 hours this week that he can devote to training. Each hour he spends swimming is an hour that he can't spend biking or running. Which basic principle of individual choice do these statements best illustrate? Manuel can use time most efficiently by spending the same amounts of time on swimming, biking, and running. People face trade-offs. People usually exploit opportunities to make themselves better off. Manuel has an incentive to spend more time on swimming than on biking or running.

we need a diagram to you sorry

answer; /// (c) i do believe that the correct answer is ; an unstated guarantee that goods will be to the consumer's liking;

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.