Write 23/7 as a mixed number

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.

Factor the polynomial. b^2 + 4b + 4

Collin did the work to see if 10 is a solution to the equation r/4=2.4