? Match the correct property of operations to each pair of equivalent expressions so that the property can be applied to
the first expression to generate the second expression. Drag the items on the left to the correct location on the right.
Distributive Property
(7x + 2x) + 12 and 7x + (2x + 12)
Commutative Property
x + 4y - 9y and x - 5y
Associative Property
21x + 28y and 7(3x + 4y)
combining like terms
7y + 6x and 6x + 7y

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.