The graph of an equation with a negative discriminant always has which characteristic? no x-intercept no y-intercept no maximum no minimum

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?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

The quadratic function h(t)=-16.1t^2+150 choose the graph representation