Please answer asap. 10 points for each answer. Thanks/five stars/brainiest included.
1. A gardener would like to add to their existing garden to make more flowers available for the butterflies that visit the garden. Her current garden is 45 square feet. If she added another rectangular piece with vertices located at (ā21, 7), (ā23, 7), (ā21, 12), and (ā23, 12), what is the total area of the garden?
2. Which of the following points is the fourth vertex needed to create a rectangle with vertices located at (ā25, 18), (ā13, ā9), and (ā25, ā9)?