I don't know much about this but as far as I can tell the mean is about 8, that would make the deviation value of about 2
Answer:
A, B, D
Step-by-step explanation:
2 x 3x =6x - 2 times 9y which equals 18y+ and 2 times 18 equals 36 so 2(3x-9y+18)
Hope this helps .. sorry if it’s wrong .
