Answer:
= 0
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given

= 
= 
= 
<u>Final answer:-</u>
= 0
Answer:
D)
Step-by-step explanation:
Note that all the base are the same (the variable x). You are multiplying the three like terms together. Simply add the powers together:

D)
is your answer.
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Answer: I have no Idea how your teacher got 75.4 but if you go on goo gle and search "lateral area of a cone" there is a type of calculator thing at the top. Just type 2 where it says r - radius and 12 where it says h - height. The answer should be 76.4 so I'm assuming it's A.