Answer:
I believe that the answer would be x+84=y
3.1
4.2
5.2
42
Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.
<u>0 is the answer </u>
Step-by-step explanation:
the vertex of 3x^2-12+8 is (2,-4)