Answer:
Yes, because
is equivalent to 
Step-by-step explanation:
and 

Hope this helps!
Answer:
5,000+6,000+7,000+,9,000+6,000+5,000= 38,000
Step-by-step explanation:
Yes because 9+4 = 13 and if you plug in the y and x it turns out true
Answer:
21 days
Step-by-step explanation:
Answer:
Step-by-step explanation:
Th correct one is the third box
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