Step-by-step explanation:
12 = 2 × 2 × 3
18 = 2 × 3 × 3
56 = 2 ×2 × 2 × 7
Now
Common factor = 2
Remaining factor = 2 × 3 × 2 × 3 × 7
LCM = RF × CF
= 504
hence the lCM of 12 , 18 and 56 is 504...

I am not sure i am in 7th grade but i prefer you to use the app called photomath
Answer:
B.) Open circle on 3 and all numbers to the left shaded
Answer:
The answer would me; M.
Step-by-step explanation:
Look at were all the lines meet.