What’s the work and answer? Please someone tell me

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74