Working together, two pipes can fill a swimming pool in 4 hours. Working alone the large pipe can fill the pool in 6 hours. How many hours would it take the smaller pipe working alone to fill the swimming pool.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

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.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?