Answer:
Step-by-step explanation:
That would be a hollow cylinder whose axis is the axis shown in the diagram, viewed in a direction parallel to this axis.
12a^2 - 9a + 5
(5a^2 - 6a - 4) - (-7a^2 + 3a - 9)
5a^2 + 7a^2 = 12a^2
-6a - 3a = -9a
-4 + 9 = 5
Answer: the answer is B
51.5
this is your look it once
