12p - 12 = 4 (3p - 12)what the solution of p?

Today, the a. caesar b. bishop c. pope d. tsar still heads the roman catholic church, which is centered on rome. there is no longer a byzantine emperor, but each country has its own a. governor b. patriarch c. prefect d. council to lead the eastern orthodox church there.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

Why is it necessary to obey social norms? write briefly.