Solve the given system using the substitution method. y=2x+6

3x−y=6

(14, 12)
There is no solution.
(12, 30)
There are an infinite number of solutions.

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.

For which pair of functions is (gof)(a)=|a|-2?

The surface area of the triangular prism is .