Malcolm and ravi raced each other. the average of their maximum speeds was 260 km/h. if doubled, malcolm's maximum speed would be 80 km/h more than ravi's maximum speed. what were malcolm's and ravi's maximum speeds?

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What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.