The trapezoid in the figure has equal nonparallel sides. the upper base is 6, the lower base is 16, and the diagonal is 12. what is the altitude of the trapezoid?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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.