The figure shows two semicircles centered at g and h. point b is on both semicircles. line df touches each circle at one point only, points f and e. if de = 4 and ef = 8, what is the scale factor applied when triangle deh is dilated to make triangle dfg?

Add the fractions and simplify 1/2+ 1/3

Now 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.

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%