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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.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.