Question 3 (12 points) Gareth likes to talk on his cell phone. He has a plan in which he pays $40 a month
for 500 "free" minutes and then 5 cents a minute if he goes over.
Later that month, Gareth gets to the point where he has used 520 minutes. Tim
calls again. What would be the marginal cost of this five minute conversation?
$0.50
$40.00
$0.00
$0.25

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Which of the following are offices under the jurisdiction of the executive office

Donald was arrested for murdering an acquaintance. at the trial, donald takes the stand and testifies that he and the victim knew each other. he admits that they would drink and use drugs together. one night while partying, donald explains in his testimony, an argument got out of hand during a card game. donald explains that the victim accused him of cheating and pulled out a knife on him and started swinging it in the air. donald said that he had no choice but to pull out his gun and shoot the victim. the jury convicted donald of manslaughter. who would argue that donald weighed the potential costs and benefits of shooting the victim and decided to pull the trigger as a result of free will? a. a rational choice theorist b. a critical criminologist c. a conflict theorist d. a positivist