So that equation was definitely correct...
When you expand the equation in the bracket you'll find out that you'll get a^6 + 4a^4 + !6a^2 - 4a^4 - 16a^2 -64. then your final result will be a^6 - 64
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The answer is -3/2 lmk if you need an explanation :)
The answer is b because you go over 15 dollars with 5 sodas and it can be equal to 15 and be less than as well
