F(x)=1/x and g(x)=x-4
can you evaluate (g•f)(0)

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?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.