Answer:

<h2>-1 is the right answer.</h2>
Answer:


Step-by-step explanation:
Given


Solving (a): The earnings.
This is calculated as:



Solving (b): New Value
This is calculated as:
So, we have:



Whereas the basic formula for the area shape is length x width the basic formula for volume is length x width c height
<span>The equation of the directrix of the conic section </span>y^2 + 16y + 4x + 4 = 0 is x = 16.
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