Which of the following best describes a single fixed point that is the same distance from the parabola has the directrix is from the parabola

One integer is 8 times another. if the product is 72, then find the integers

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

What is the factored form of the following expressions? d^2 – 13d + 36