I'm not 100% sure what you're asking, but i think it wants:
50,000 + 25,000 = 75,000 - so B is the answer
to do it you basically just round the number to the nearest 1000 and add
Put all numbers in order from least to greatest
median is the middle number
so
5,9,10,11,12,14
median = ( 10+11)/2 = 10.5
answer
C. 10.5
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Multiply

[ Step Two ] Rewrite Equation

[ Step Three ] Multiply

[ Step Four ] Simplify

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-7
We can find this by subtracting the first term by the second
So 43-37=7
If we subtract the second by the third, we also get 7 and so on
Since the sequence is decreasing, that means it has to be a negative value that it is going by.
So the pattern is -7
Check the picture below
notice, if the "r" and "h" is the same for both, the cone's volume is just 1/3 of the cylinder's