Add 3 on both sides of the equation
3x=0
divide 3 on both sides of the equation
x=0
Answer:
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Step-by-step explanation:
410.3ft^3. is correct
volume of the sphere with 3ft radius :

volume of the sphere with 5ft radius:

difference

good luck
64, because its square root is 8.
49, because its square root is 7.
144, because its square root is 12.
4, because its square root is 2.