If you triple 4, that would be 12. Then if you subtract 2 every day it would take 6 days.
This answer is true. Not much else to say here.
The best option to this answer is B <span>Carl is tall; his brother is short.
</span>A semicolon is often used to merge two independent clauses (or two complete thoughts). [ex. my cat has brown fur; my dog has white fur.]
I believe the answer you are looking for is D. Earlier, Both explain when the first messages were left. Hope this helps!
-Lion