AXYZ was reflected over a vertical line, then dilated by a scale factor of , resulting in AX'Y'Z'. Which must
be true of the two triangles? Select three options.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?