Refer to the scenario above. Which country is likely to have lowest life expectancy at birth?

A diagram shows the quantity of tomatoes on the horizontal axis and the quantity of coffee on the vertical axis. The quantity of tomatoes remains constant as the quantity of coffee increases. The graph of these data is

A) a horizontal line. B) a vertical line. C) a positively sloped line. D) a negatively sloped line

A positive income elasticity of demand for a good means: a. it is a substitute

b. it is a complement. c. it is a normal good. d. it is an inferior good.