<h2>9</h2><h3><em>Step-by-step explanation:</em></h3><h3><em>Step-by-step explanation:you have 2 bars right ? the taller one has a frequency of 12 </em></h3><h3><em>Step-by-step explanation:you have 2 bars right ? the taller one has a frequency of 12 so the half of the taller one is 6 which is smaller than the 2nd one right ? so the frequency of the smaller one is surely greater than half of the big which is 6 so the frequency should be from 6 upwards</em> .... </h3>