A series of rigid motions maps ΔUVW onto ΔRST. Based on this information, which of the following is a true statement? Question 12 options: A) ΔUVW is half the area of ΔRST. B) The corresponding pairs of angles of ΔUVW and ΔRST are congruent, but the corresponding sides aren't. C) ΔUVW and ΔRST are congruent. D) There isn't enough information to make a statement about ΔUVW and ΔRST.

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.