Sasha is reading a novel wth 427 pages. she has read 276 pages. what percentage has she read?

Geometry. i need step by step explanation on how to do each problem.

What is the slope of the line shown below?

Need 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.