The trend line estimates that the price was $432 in November 2007 and $80 in September 2011. (That is an interval of 46 months.) Use this information to determine the slope of the trend line. Be careful about the sign. (Round your answer in dollars per month to two decimal places.)

Which of the following is an example of a positive externality? a. promoting generic drugs would benefit people. b. a lower inflation rate would benefit most consumers. c. compulsory flu shots for all students prevents the spread of illness in the general public. d. singapore has adopted a comprehensive savings plan for all workers known as the central provident fund.

In microeconomics, the point at which supply and demand meet is called the blank price

Upon completion of the northwest-corner rule, which source-destination cell is guaranteed to be occupied? a. top-leftb. the cell with the lowest shipping costc. bottom-leftd. top-righte. bottom-right