_____ out of 9 justices must agree to hear an appellate case brought to them from a lower court.

Article I of the Constitution grants all legislative powers of the federal government to

a. a subcommittee of the thirteen original states. b. a Congress divided into three chambers. c. a Congress divided into two chambers. d. a system of courts overseen by state governors. e. an Executive surrounded by a cabinet of advisors.

Measuring and observing tile wear as an index of interest level of museum exhibits can be described as an

A) Unobtrusive measure. B) Obtrusive measure. C) Example of obtrusive measurement in highly-constrained research. D) Example of highly-constrained research.