Tell me what websites teacher use for mcq

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.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?