Answer:
a = ±10/9
Step-by-step explanation:

<span>52.6378901393 should be correct.</span>
Answer:
Question is not fully addressed
Step-by-step explanation:
Please put the full question otherwise, i cannot answer it
Answer:
yes
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
because we can not some times change the places in addition so b is the correct answer