can you guys pls help me with this question i put a picture down below with everything on it and please show work if you can

What is the percent of increase for a population that changed from 438,000 to 561,000

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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.