Claude is reading a science fiction book in which aliens have dropped a fungus on a 10 square mile section of a planet. The fungus spreads rapidly, increasing the area it covers by 50% every hour. The total area of the planet is 200 million square miles. Claude created an equation and determined that it will take approximately 41 hours for the fungus to cover planet. What is the equation that Claude created?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

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:

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.