What is the x-coordinate of the vertex of the parabola? y = (x -8)(x + 2)
3
8 and -2
-3
-8 and 2

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

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?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.