Answer:
The height of the cone is 
Step-by-step explanation:
we know that
The volume of the cone is equal to

where
B is the area of the circular base of the cone
h is the height of the cone
In this problem we have


<em>Find the area of the base B</em>

substitute the value of r

<em>Find the height of the cone</em>


assume 

Answer:
B
Step-by-step explanation:
Answer:
1 solution
(3, 4)
Step-by-step explanation:
The pair of equations for lines A and B have 1 solution because there is one point of intersection.
The point of intersection is (3, 4), therefore this is the solution.
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