Each member of a nine-person committee attends any given meeting of the committee with probability 1/2. what is the probability that at least two-thirds of the membership of the committee will be present at its next meeting?

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?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Can you me find the slope! (30 points)