1) When finding a median, order your numerical list from smallest to larger, as so: 2,2,3,4,5,6,8,9. 2) Then start eliminating numbers from each side of the order; (The bolded numbers will be removed.) 2,2,3,4,5,6,8,9 2,3,4,5,6,8,9 2,3,4,5,6,8 3,4,5,6,8 3,4,5,6 4,5,6 4,5 3) Since there is an even number of digits in your list, you will have to add the last two digits and then divide them by two. 4 and 5 are the last numbers standing, (4+5=9)(9/2=4.5) and therefore your answer, would be 4.5, or B.
The mnemonic SOH CAH TOA reminds you of the relationship between trig functions and sides of a right triangle. The pole and its shadow form the legs of the right triangle with the side adjacent to the angle of elevation being the shadow. "TOA" tells you ...