will upvote once both are answered. thank you in advance!

accidentally uploaded 2 pictures. please solve any.

7. Calculating Returns and Variability (101) Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Returns Year X Y 1 12% 25% 2 28 34 3 9 13 4 -7 -27 5 10 14 16. Arithmetic and Geometric Returns (L01] A stock has had the following year-end prices and dividends: Year Price Dividend 1 $63.40 2 70.20 5.85 3 79.18 95 4 75.32 1.03 3 84.18 6 98,62 1.20 What are the arithmetic and geometric average returns for the stock