18/25 sqrt (48) 4sqrt (2) b) 4sqrt (3) 6sqrt (3) 4sqrt (2)

To simplify the square root of 48, we can break it down into its prime factors:<br /><br />$\sqrt{48} = \sqrt{16 \times 3} = \sqrt{16} \times \sqrt{3} = 4\sqrt{3}$<br /><br />So, the correct answer is b) $4\sqrt{3}$.