Evan, Claire, Jaya and Tim are running a 3 km relay race. Evan ran 7/8 of a km, Claire ran 11/12 of a km, and Jaya ran 3/4 of a km.

What fraction of a km does Tim need to run to finish the race?
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Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%