Which of the following is NOT an injection?
A) The state of Illinois builds a new courthouse.
B) Kansas farmers sell 1 million bushels of wheat to Russia
C) The Smithsonian Institute purchases Chris Evert Lloyd's tennis racket.
D) An accountant purchases a new personal computer for use in his office.
C
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It is possible to represent three dimensions on a two-dimensional graph by using
A. a contour map. B. a razor blade. C. curved lines. D. All of these responses are correct.
According to John Maynard Keynes, an economist must possess a rare combination of skills including being a mathematician, historian, statesman, and philosopher
a. True b. False Indicate whether the statement is true or false
Compared to the 1960 and 1973 period, average real earnings of workers ________ from 1973 to 1995 and then ________ from 2007 to 2016.
A. grew; grew at about the same rate B. declined; slowed again C. grew more rapidly; declined D. declined; grew
Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________, 
A. Rising; B; C B. Falling; A; C C. Falling; A; B D. Rising; A; C