Kim borrowed a book from the library and read several pages the first night. The second night she read 2 more than twice as many pages as she did the first night. The third night she read 19 more pages than she did the first night finish the entire book in 165 page book. How many pages did she read each night? Pls help how do I even start this problem?

Cor d? ? 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.