Volume of Spheres (((Find the volume of each sphere. Round to the nearest tenth.)))

The last one is ( 6.7ft )

Please show your work
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it's both, now can you answer my most recent question?

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step-by-step explanation:

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²

hello! just here for points! though i wish i knew!