Lee and Sheby race clockwise around a 400 meter oval Track. They start from the same place at the same time. Lee runs at a speed of 7.2 kiometers per hour and Shelby runs at a speed of 9 kilometers per hour. How many meters must Shelby run to cover exactly 3 more laps than Lee in the same time?

Needmax 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.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Landon wrote that 3−2.6=4. which statement about his answer is true?