Which graph represents a function with direct variation?

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.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps