Need solution as soon as possible

Parker and Carmen shared lunch at a restaurant. Parker leaves first, driving West at 55 km/h. 2 h later Carmen leaves, driving North at 65 km/h. Assume that neither of them stops driving until after the latest time needed for this question. a) 2 h after Carmen leaves, how fast is the distance between Parker and Carmen changing? b) Consider a triangle with one corner at the starting restaurant, one corner atParker, and one corner atCarmen. 3 h after Carmen left the restaurant, how fast is the area of this triangle changing? For purposes of both parts of this question, you may ignore the curvature of the Earth. Please leave the answer boxes blank