65.4ft
Step-by-step explanation:
Use the volume for a sphere
v=radius3•pi4/3
Answer:
above is the answer to the question, second picture for clear view
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19.4339908408
Answer:C
6(x+7)=5(x-7)+x
⇔6x+42=5x-35+x
⇔6x-5x-x=-35-42
⇔0x=-77