Which of the following is the correct way to name the entire figure shown

What is the domain of the function f(x)=^9x

Can (3,5 and square root 34) be sides on a right triangle?

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?