Answer:
t test for one mean.
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Step-by-step explanation:
These are the steps. Just follow the numbers on the left hand side. Hopes this helps. The answer is -3.
The volume is 336 cubic feet
6x8x3 = 144
8x4x6= 192
144+192=336
Yes it is 4 billion milimeters is 4 kilometers
Maria will make 10% on 5,000 for the motorcycle and 15% on 25,000 for the car she sold