You sell and service vacuum cleaners. your price on a particular model is $125. however, to get a service contract, you offer to sell it for $115. how much discount are you giving as a percentage of price (to the nearest tenth)?

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.

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

If you are just building your payment history, how many points from a perfect score will you possibly miss?