A^4-6a^2-7-8x-x^2
please 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.

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Which of these tools or constructions is used to inscribe a hexagon inside a circle?