I am having trouble answering this question. Please help. I have until 11 pm to answer this.

The area of a healing wound is given by A = 17 . The radius is decreasing at the rate of 4 millimeter per day at the moment when r = 32. How fast is the area decreasing at that moment? Select an answer v Select an answer Question Help: Video square millimeters per day square millimeters Submit Question millimeters per day millimeters