Which of the following quadratic equations has the solution set {12,5}? Select all that apply.

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.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Which best explains why this triangle is or is not a right triangle ?