Answer:
c
Step-by-step explanation:
just take out the brackets and add the like terms.
1/7 is your answer. It can't be reduced any further. If there is supposed to be a problem, next time, add it.
R-7=7 add the seven from both sides, leaving the r alone, because this is what you are trying to find. Thus the answer is r=14.
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1 foot is 12 inches
Thus 2 feet is 24 inches
Substitute values into equation:
volume = 24 x 24 x 24
volume = 13824
Your answer is option D
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