If a firm sells 200 units of products at $4 a piece and then has a TC of $2.75, what is their Total Revenue?

Discuss the ways in which the northern and southern economies and social customs differed in the decade prior to the civil war. why are they characterized as having “two distinct societies”?

What bodies of water provided the eastern border of the zhou dynasty? ?

The 15th amendment to the u.s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech