The percentage change in quantity demanded of a good divided by the percentage change in income of the consumers gives the:
a. price elasticity of demand of the good.
b. price elasticity of supply of the good

The ________ effect of a price change states that when the price of a good falls, that good becomes cheaper compared to other goods and services so consumers tend substitute that good for other goods

a. Substitution b. Demand c. Income d. Supply

In 2016, infant mortality in the United States was ________ per 1,000 live births

A) 5.8 B) 45.4 C) 82.7 D) 228.9