Find the surface area 12 ft, 8ft, and 2ft

What is the standard form of -5x^2+2x^4-11+x^3+3x

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.

Can someone check if i did this correct. it’s number 4 if you’re wondering.