WILL MARK BRAINLIEST! PLEASE HELP ME UNDERSTAND THIS! SIMPLIFY the expression please! Don't solve it- just simplify it! Please explain too! Ty!

Me 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.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss