i only need formulas

9. Multiply the values in row 5 , columns A, B and C and then divide by the value in A10. 10. Add 12 to the sum of cells C5, C6 and C7. 11. Divide the sum of cells A6 and B6 by 4 . 12. Multiply the sum of cells A5 and B5 by the sum of Cells b5 and C5. 13. Find the smallest value in the cells contained in column A rows 7 through 53. 14. Find the average value in the cells contained in columns C through F in rows 2 through 5. 15. Multiply the value in cell A8 by the value in cell B8 by the value in C8 and divide your total by 90 . 16. Find the largest value in the cells contained in columns A through BB in rows 9 through 12 . 17. Find the average of column B, rows 2 through 25 then multiply it by the grouping 28.3% minus G9