The binomial (a+5) is a factor of a^2+7a+10. what is the other factor

Answer question above and explain each step : )

On a architect's drawing of a house, 1 inche representa 1.5

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.