Please help me no links or other things just the answer

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Which number line correctly shows 0.8 + 0.3?