Please help :( will mark brainliest I don’t understand the questions be genuine and no LINKS !

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?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.