87 plus 34 rounded or the compatible numbers answer

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.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Can you me find the missing length. i attached an image.