Sparkle Cleaners uses 2
3
of a jug of window cleaner in 3 weeks. How much window cleaner do they use in 1 week?

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.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r