A represents 12!
12! = 12 * 11 * 10 * 9 * ... (down to 1)
144 x 3= (D) 432
Hope this can help! :)
Answer:9.9
Step-by-step explanation:
Add up the scores and dividing the total by the number of scores.
Your answer would be
B. the estimated average change in y per unit change in x