Answer:
12
Step-by-step explanation: it is 12 because LCM is least common mulitiple. The LCM is the smallest number of all the number that can DIVIDE EVENLY. 6 cannot divide evenly.
B , because it makes sense if 30.6 is the mean of the frequency distribution Hope it helped
The answer is 8. you count backwards from 30 by twos, twelve times. at the first row you end up with 8 left