What is the value of y?

a.
3 square root 3 units

b.
6 square root 3 units

c.
9 square root 3 units

d.
12 square root 3 units

Adalyn drove 12 miles from her home to her school and then drove back. graph a shows her distance from home during the trip. graph b will show her distance from the school during the trip. complete each statement about graph b.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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?