Answer:
True
Step-by-step explanation:

is a rational number.
It is also a perfect square which means it is an integer.
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Hope this Helps!</h3>
:)
Answer:
4a^2-6b^2+12
Step-by-step explanation:
(a^2 - 2b^2 + 3) - (4b^2 - 5) + (3a^2 + 4)
distribute the negative sign to each term in the 2nd expression
a^2-2b^2+3-4b^2+5+3a^2+4
combine like terms
4a^2-6b^2+12
Photic zone: seaweeds and corals live here
aphotic zone: mid-ocean level where no light reaches
deep ocean floor: animals that glow are found here
Hope this helped!
Answer:
60% Hope this helped! :)
Step-by-step explanation: