Answer:
y=2x-23
Step-by-step explanation:
m=(-9+7)/(7-8)=-2/-1=2
y=2x+b
-7=2(8)+b
-7-16=b
b=-23
y=2x-23
The volume of a cone is 1/3 pi r^2 h, so plug this in to get the answer
<u><em>The answer is 129 </em></u><em> i hope this helps </em>
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Answer:

Step-by-step explanation:

C or A could be the answer