What is marginal cost? a. it is the change in a company’s total output arising from a change in the total price of one unit. b. it is the change in a company’s total revenue arising from a change in total output of one unit. c. it is the change in a company’s total cost arising from a change in total output of one unit. d. it is the change in a company’s average revenue arising from a change in total output of one unit.

Read the list of selections from the article. trump still seeks a border wall and said he might shut down the government again over it. a strong majority of americans blamed him for the standoff. and they rejected his arguments for a border wall, recent polls show. it is not clear how trump would fund the wall by declaring a national emergency. minutes later, senators voted 52-44 for a democratic plan to open agencies through february 8 with no wall money. that was eight votes short. yet it got more support than trump's republican plan, even though republicans control the senate 53-47. which two selections, taken together, provide the best evidence to support the idea that most people do not support funding a border wall? a 1 and 3 b 1 and 4 c 2 and 3 d 2 and 4

When does a metropolitan area become a megalopolis?

Cattle are herbivores by nature and feeding herbivores a diet for carnivores may have triggered a protein reaction known as a prion causing mad cow disease