The elevation of the surface of the Dead Sea is about 430.5 meters. The height of Mt. Everest is about 8,848 meters. How much higher is the peak of Mt. Everest than
the surface of the Dead Sea, in meters?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information: