Paolo is putting a fence around his pool. the length of the pool is 20 feet, the width is (20-x) feet, and the area of the pool is 300 square feet. recall that area is length multiplied by width. the equation below models the area of the pool.

20(20-x)=300

what is the value of x? round to the units place.
5
8
15
35

Need 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.