During a three–day period, the stock of money, inc. gained 6 points, lost 10 points, and gained 2 points. what was the total change in points for the three days? a. 2 points b. 4 points c. –6 points d. –2 points

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?