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Suppose you calculate that elasticity of demand for cigarettes is 0.5. you can conclude that: a. demand for cigarettes is elastic b. demand for cigarettes is unitary elastic c. a 1% increase in price of cigarettes will result in a 0.5% decrease in quantity demanded d. a 1% increase in the price of cigarettes will result in a 0.5% increase in quantity demanded.

Which statement describes the relationship between parenting choices and their effects on children? a) neglected children will show more empathy. b) encouraged children will show more curiosity. c) children with very permissive parents will be violent. d) children with resilient parents will work well with others.

Which of the following foods would be the best choice for someone who's lactose-intolerant?   a.  frozen yogurt    b.  strawberry sorbet    c.  cheesecake    d.  chocolate ice cream