Answer:
84 is the largest number that will round to 80.
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Answer:
7n-20 I believe
Step-by-step explanation:
hope this helps
Answer:
the angles s and r are supplementary so 180 - 40 = 140
Step-by-step explanation:
Answer:
The answer is -3x.
Step-by-step explanation:
Combine like terms.
Hope this helps :)