84 - 12 = 72, because the total age is 84, and we know that Michael is 12 years older than Lynn, making Lynn 72 years old.
The formula to find the volume of a sphere is:
4π(r³/3)=V
The radius is half of the diameter.
24÷2=12
4π(12³/3)=V
12.5663706(576)=V
7238.22947=V
So, the volume of the sphere is 7,238.22947 units³.
Answer:

Step-by-step explanation:
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YAnswer:
Step-by-step explanation: