Solving linear equations a/17=6

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?

If 25% of y is 30, what is 60% of y?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.