On the real number line below, with coordinates as labeled, an object moves according to the following set of instructions: From point the object moves right to then left to then right to , and finally left until it returns to its original position at What is the closest estimate of the total length, in coordinate units, of the movements this object makes? A. 0 B. 4 C. 12 D. 22 E. 36

Please describe how to find the answer as well! I'm lost on how to solve this.

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.