Here is my question help

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.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Which of the following expressions is equal to 2x^2+8