What was the main reason that the pyramid in egypt were used

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.

What was one step that charlemagne took to unite his kingdom? a. he chose a single strong heir to inherit his throne. b. he drove muslim forces out of europe. c. he created and supported schools. d. he declared himself head of the catholic church.

Me fast do you think the outcome of this case would have been the same if president nixon hadclaimed national security needs rather than executive privilege? why or why not?