8m=2*2*2*m
36m^3=2*2*3*3*m*m*m
12=2*2*3
gcf=2*2
answer is 4
Answer:
B
Step-by-step explanation:
B because it is the farthest away from 0.
In the old aquarium, 3 tablespoons of salt were used for 20 gallons. That's a conversion ratio of

That is, for every gallon of water in the aquarium, there was 0.15 tbsp of salt. So a 50 gallon aquarium, Ill should add

to maintain the salinity.