Y square - y - 20 (factorisation)

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.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.