Tyler says he invented a number puzzle he asked Claire's to pick a number then ask her to do the following triple the number
subtract 7
double the result
subtract 22
divide by 6
Clara says that now she has a -3 Tyler says that her original number must have been 3 how did Tyler know that explain your reasoning

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.