The total number of shares in Marks brothers is to increase by 12.8 how many shares will there be after the increase

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Someone answer asap for ! 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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)