Equilibrium is defined as:
a. marginal cost equals marginal revenue.
c. any point along the production possibilities curve.
b. excess supply equals excess demand.
d. quantity demanded equals quantity supplied

22. the effect of threshold braking is to a. cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine

Who was the macedonian conqueror of greece and builder of an empire?