Answer:1 and 2
Step-by-step explanation:
Given
Volume needed 
For first cylinder





For second cylinder





For Third cylinder





For fourth cylinder





So, cylinder
and
are appropriate as it is under 
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This is called the "Additive Identity Property (of Addition)". Any number plus or minus 0 is still that number.


This is reflected in the second equation here.
Answer:
<h3>The answer is (4 , 1)</h3>
Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula

where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
(3,5) and (5,-3)
We have

We have the final answer as
<h3>(4 , 1)</h3>
Hope this helps you