Name all the sets of numbers the number 8 belongs to

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?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).