(urgent, picture included) from the graph provided, the federal reserve would use a tight (contractionary) monetary policy during phase i and which other phase of the business cycle?

phase ii
phase ii
phase iv
all of the above

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Advances in technology generally result a.) a higher standard of living for everyone b.) greater productivity c.) more jobs for everyone d.) more government regulation