Images in mirrors appear behind the mirror the same distance away as the object.
Images are backwards.
Multiple mirror situations are complex and interesting. Examine images by sitting the mirror vertically on a table and sitting identical objects in front of and behind the mirror. Adjust the objects until the object behind the mirror appears in the same position as the image in the mirror. Cut drinking straws in half. Have to students try to look through their straw and see through the other's straw in the mirror.