Aflati 2 numere stiind ca sunt direct proporționale cu 5 și 3 și suma lor este 100

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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)