12 How much orange juice will be supplied and
demanded at this price?
A
B
10 million gallons will be supplied;
20 million gallons will be demanded.
20 million gallons will be supplied;
10 million gallons will be damanded.
20 million gallons will be supplied;
20 million gallons will be demanded.
30 million gallons will be supplied;
30 million gallons will be demanded.
C

Which of the following might cause the inflation rate to spike up sharply? the purchasing power of the average consumer decreases due to a sluggish economy. plentiful rainfall and moderate temperatures result in good harvests of wheat and soybeans. the items in the cpi market basket change to account for changing consumer buying habits. prices on world oil markets rise steeply due to war in the middle east.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.