What is an ecosystem​

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.

Which of these was not a component of the american system? a) protective tariff b) internal improvements c) universal manhood suffrage eliminate d) the 2nd bank of the united states

Thomas jefferson was alarmed by the fierce debate over warning americans about its threat to national unity. 1.) slavery 2.) the powers of congress 3.) the missouri compromise 4.) escaped slaves