Aswimming pool is being drained with a pump. the pump drains the pool at a constant rate, the pool's water level drops 3 inches in 6 hours was the rate per hour of the water level change?

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.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14