What are three different whole numbers whose sum and product are equal

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?