Which situation bestillustrates the economic concept of opportunity cost? A. A business opens branches overseas, so it has to hire more
multilingual staff.
B. A business decides to expand by borrowing a lot of money from
an investor.
O C. A business has to change its production methods to meet
environmental regulations.
O D. A business hires a new programmer, so it can't afford to hire a new
salesperson.

Traffic signals at expressway on-ramps use lights.

Which of the following statements best illustrates an argument on whether congress is effective on providing oversight of the bureaucracy? a. congress is very effective in providing oversight of the bureaucracy. b. congress is not very effective in providing oversight to the bureaucracy because they lack the technical expertise and they are part of the iron triangles that create a relationship with the bureaucracy and interest groups to show more a. congress is very effective in providing oversight of the bureaucracy. b.congress is not very effective in providing oversight to the bureaucracy because they lack the technical expertise and they are part of the iron triangles that create a relationship with the bureaucracy and interest groups to further their own interests and not necessarily the public interest. c.congress provides effective oversight of the bureaucracy through the budgetary process. d.congress is not effective in providing oversight because of the budget and enabling legislation.

Which statement best explains why article iii of the constitution gives congress the ability to create lower courts inferior to the supreme court "from time to time”? a.the framers of the constitution believed that as the country grew, more courts would be needed to meet its needs. b.the framers of the constitution believed that as courts made unpopular decisions, they would need to be replaced. c.the framers of the constitution wanted to ensure that congress always had more power than the courts. d.the framers of the constitution wanted to ensure that new courts were always being created so new judges could be appointed.