Can some on help my little sister zhavia she doesn't know how to do this

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?

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.