Asquare has a perimeter of 12x + 52 units which expression represents the side length of the square units

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Needmax 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.