What's the question you're asking?
Answer:
12566.37061435917
or
4000π
Step-by-step explanation:
the equation is 50π×80
this is because you have to find the area of the circle which is diameter times pi and then you multiply that by the height of the cylinder
Answer:
x = 0
Step-by-step explanation:
The axis of the symmetry has the same x coordinate of the vertex
V (x) = -b/2a
in both equations b is equal to 0 and a 0/a number different from 0 gives always 0 as a result
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Factor out common term 

[ Step Two ] Factor 
\left(4x\right)^2-1^2
[ Step Three ] Rewrite equation

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11. line of best fit is graph A
12. line of best fit is : line B, because it is closest to most data points
13. height after 7 weeks is 4.8 cm
14. missing number is 19