How do both emerson's "self-reliance" and thoreau's walden portray society's effect on the individual?

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.

Name that largest artificial lake built in the 11th century

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?