my mom said shes gonna beat my face in the keyboard if i dont get off

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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.