15-7 is 8! so 8 is the length of the side with the ?
7..
49 can be equally divided by seven, which means there would be 9 red roses in each center piece. And 63 can be equally divided by 7 which means there would by 7 white roses in each center piece.
hope this helps
Answer:
...?
Step-by-step explanation:
Answer:
Option B. 
Step-by-step explanation:
we know that
The volume of a cone is equal to

we have


substitute


assume

