248+51+169\sqrt{248 + \sqrt{51 + \sqrt{169}}}248+51+169 A15B14C16D18Answer: C. 16 Read Explanation: 169=13\sqrt{169} = 13169=13 51+13\sqrt{51 +13}51+13 = 64=8\sqrt{64} = 864=8 248+8\sqrt{248 +8}248+8 =256=16\sqrt{256} = 16256=16 Read more in App