Answer:
-10 but its 17
Step-by-step explanation:
Step 
we know that
The density's formula is equal to

The volume of a cone is equal to

where
r is the radius of the base of the cone
h is the height of the cone
in this problem

substitute the values in the formula above


Step 
Find the density
we have


substitute in the formula



therefore
<u>the answer is</u>
the density is 