There are 12 navy bikes and 4 brown bikes in your dad's bikeshop. If you close your eyes and take one bike out of your dad's bikeshop,
what is the probability that the bike will be navy?
Write your answer as a fraction.
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If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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.

Why is studying fractions important