In this diagram, which statement could be an example for the direction labeled "o"? a. your friend purchases a new computer. b. your father lends money to a neighbor. c. you save earnings in a bank account. d. you sell lemonade at your garage sale.

3. define historiography. has historiography changed over time or stayed the same? why is this distinction important? use complete sentences for your response. (4 points)

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.

Roman builders used rows of arches in there buildings to form a curved ceiling called what