Is anyone good at explaining the distributive property?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

If point cis between points a and b, then ac + — = ab

Suppose a deep sea driver dives from the surface to 248 feet below the surface. he then dives down 10 more feet. use integers yo represent this situation. then find the driver' s present depth