Answer:

hope this helps
:)
Step-by-step explanation:
Answer:
neither
Step-by-step explanation:
if we cube root or square root thirteen, the result will be in decimal. So thirteen is neither a perfect square nor a perfect cube
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-3(x+5)=-9
-3x-15=-9
+15 +15
-3x=6
-1x=2
1x=-2
x=-2
Answer:
20
Step-by-step explanation:
When looking for the perimeter just add all the numbers together.