Given the data in the chart above, which statement explains why these three countries would benefit from specialization and trade?
select one:
a. each country has an absolute advantage in one activity.
b. no country has an absolute advantage in all activities.
c. one country has a comparative advantage in all activities.
d. one country has an absolute advantage in all activities.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

This is different from the first one can someone me

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?