Asquare has a side length of 18 feet. this square is dilated by a scale factor of 12 1 2 to create a new square. what is the side length of the new square?

Find the value of the cosine for angle a

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?