The yard behind Sandy's house is a rectangle in shape and has a perimeter of 72 feet. If the length 1 of the yard is 18 feet longer than the width w of the yard, what
is the area of the yard, in square feet?
a 36 ft^2
b. 144 ft^2
c. 243 ft^2
d. 486 ft^2

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.