The diagram shows a convex polygon .what is the value of z?

41/17 as a decimal rounded to the nearest hundredth

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%

Which geometric principle is used to justify the construction below?