I have a few questions on derivative applications that ive been staring at all night. could someone explain these to me? (2/2)

Question 19 (3 points) Sue has enough paint to paint an area 16 square inches . What are the dimensions of the largest closed box (largest volume] that she can paint? Assume that the base of the box is square. I Question 20 (3 points) An object is traveling along a path described by y = {x + 3 . Where along that path will the object be the closest to the point (2, 0)