Suppose a new all electric vehicle costs $40,000 and requires 1.5MJ per passenger mile. You trade in your old gas powered vehicle, which required 4MJ pre passenger mile, for $2,000. I. Suppose a gallon of gas contains 20MJ and costs $4.00, how many miles must you drive before your purchase becomes cost effective?

Which of the following is an example of negative reinforcement? a. marty knocks over his mother's prize fern so she gives him a time out. b. gwen mows the lawn and her dad takes her out for ice cream. c. tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.

Look back at act iv scene v to read over ophelia’s interactions with claudius and gertrude as well as laertes. then, compare her dialogue to hamlet’s dialogue and soliloquies previously analyzed in acts i–iv. what is ophelia’s state of mind versus hamlet’s?