Which of the following is the most appropriate unit to describe the rate at which people are entering a theme park?
hours per person, because the dependent quantity is the hours
hours per person, because the dependent quantity is the people
people per hour, because the dependent quantity is the hours
people per hour, because the dependent quantity is the people

Solve for x by completing the square. 2x^2-4x+7=0

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.

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0