Find all the zeros for the following: f(x)=2x^5-4x^4-2x^3+28x^2

Can someone me with my hwplz(only the circled ones)

Which term best describes the association between variables a and b

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.