Information for questions 21-25 The figure below depicts the production possibilities curve (PPC) for the U.S. and Canada, two countries that can produce cars and trucks. Assume the two countries trade only with each other. The U.S. and Canada have the same total amount of hours of labor engaged in production. Suppose that a U.S. worker needs 5 hours of labor to produce either a car or a truck. Calculate the total number of hours of labor available in the U.S., that is, the total labor force (in hours of labor) of the U.S. (Hint: if you need 5 hours of labor to make one car, how many hours of labor do you need to make 1000?) Enter a whole or decimal number, as appropriate. Enter 0 if the answer cannot be obtained with the information given. Only exact answer accepted.

Which of the following is an example of an institution whose primary concerns are global stability and helping countries facing crises?

Information for questions 21-25 The figure below depicts the production possibilities curve (PPC) for the U.S. and Canada, two countries that can produce cars and trucks. Assume the two countries trade only with each other. The U.S. and Canada have the same total amount of hours of labor engaged in production. Complete the sentence: When the U.S. and Canada trade with each other at a price intermediate between the two bounds of the previous question, but equal to neither bound, the U.S. fully specializes in __________ and Canada fully specializes in ________ . Definition: A country “fully” specializes in a good when it only produces that good, and produces 0 units of the other good.

Information for questions 21-25 The figure below depicts the production possibilities curve (PPC) for the U.S. and Canada, two countries that can produce cars and trucks. Assume the two countries trade only with each other. The U.S. and Canada have the same total amount of hours of labor engaged in production. When the two countries trade with each other, the trade price of cars must be in between two certain bounds. Enter a reasonable trade price that lies between those bounds. This is the trade price of cars (in terms of trucks), so if you enter 2.5, that means “2.5 trucks / car,” or “2.5 trucks per car,” of “you get 2.5 trucks per car traded.” Enter a whole or decimal number. Enter 0 if the answer cannot be obtained with the information given. Any number within the correct bounds will be accepted.

Since the end of World War II,

5. Which formula correctly multiplies quantity in cell B2 by unit price in cell C2?

9. Which of the following is required to create a pivot table in Excel?

To form the color flow image, the system samples down each Color Doppler image for _____________

If the returning echoes have a lower frequency than the transmitted frequency, the reflector is _____________

The Doppler frequency shift is defined as ___________