Answer:
I believe the answer is B. Hope it helps.
Answer:
for 
Step-by-step explanation:
Given
--- radius
Required
Determine the inequality of the region
The inequality of a region of a sphere is determined using:

Substitute 5 for r


Solving further: <em>The question says only the upper hemisphere is considered.</em>
This implies that:

<em>So, the equation is:</em>


Answer:
(y-9)(y-2)
Step-by-step explanation:
-9 and -2 add up to -11 and when multiplied they make a positive 18
I believe there is only 1 real zero
hope this helps !!