The answer is the third one
Answer:

Step-by-step explanation:
we know that
If two figures are similar then the ratio of its volumes is equal to the scale factor elevated to the cube
Let
z-----> scale factor
x-----> the volume of the dilated cone
y-----> the volume of the original cone

In this problem we have


substitute and solve for x



If you know the answer, it is very easy to prove. You just have to do 27 - 15 = 12. Then, you do 12/15 is equal to 4/5, which is 80 percent. :)
Answer:
kim
Step-by-step explanation:
2,5 is smaller
3*3-14=-5
3*-5-14=-29
3*9-14=13
3*5-14=1
Those should be the right answers but if not go look it up on the calculator.<span />