I don't know what posts are but i'm assuming you would subtract 21 from 17 and get 4.
Answer:
b = -8
Step-by-step explanation:
crossmultiply
Answer:
i dont have twitch rn but when i do i have ur acoount in mind
Step-by-step explanation:
Answer:
a.
Step-by-step explanation:
I Believe that it is not the last 3 Answers.