The figure shows a square divided into 16 unit squares with curved boundaries.<br><br>&bull; Total area of the square = 16 square units.<br>&bull; The shaded region consists of 9 of the 16 unit squares (some may be partial squares bounded by curves).<br>&bull; Shaded fraction = \( \dfrac{9}{16} \).<br><br>Final Answer: A = 9, B = 16