What does "relationship" mean in the question, "what is the relationship between 4's in the number 4,400?

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year