What is the y-intercept of the equation of the line that is perpendicular to the line and passes through the point (15,-5)?

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 center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?