The length of a spring is a linear function of the weight of the object compressing it. for a particular spring, the length decreases by 1.5 inches for every 3 pounds pressing down on it. when 4 pounds are on the spring, the length of the spring is 8 inches long. what is the length of the spring if 15 pounds are pressing down on the spring?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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: