A section of the Sombrero galaxy located 900 ly away from the galactic center is clocked moving at 250 km/s.  How much mass is contained within this orbit?

Appreciation of the U.S. dollar means that the

Discretionary fiscal policy is defined as the

Which of the following people is seasonally unemployed?

If foreign governments restrict the entry of domestic goods, this causes domestic exports to ____, and net exports may _______ in the domestic economy.

When the prices of resources fall, the short-run aggregate supply curve shifts to the _____

As more excess capacity (i.e., unused capital goods) is available, more firms can expand production without purchasing new capital goods, and investment is ________.

What is not a weakness of the viability argument for abortion?

Anticipated lower prices cause aggregate supply to _______

If current income rises, consumption will ____.