It's Class B:
Answer:
The correct answer is 0,-6
I guess 21 is your answers.
Step-by-step explanation:
12(6) - 7(2) + (6-3)
48 - 14 + 2
36
105,118,131,144,157 heres your numbers all you have to do is add 13 to the numbers after you ad each number
*17)