Simplify –(5x3 + x2) + 4(x3 – 3x2). Show your work.

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

What is the product of the radical expression. (7-2square root) (8+2 square root)

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.