For f(x)=2/(x+1) and g(x)=2x+3, find the following: a. the domain of f(x) b. f(g(x)) c. (g(f(4)) explain

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

What is the lcm of 16 and 40 ? 24 and 40 ?