Option 3
Step-by-step explanation:
You bring the like-terms together and then do the math
Since we are dealing with VOLUME, when you increase an amount, we CUBE the difference. 2^3 = 8
The sphere that has 2 times the radius has 8 times the volume.
My caculation it would be 16 i hope that this help you
This is $21.00 because I asked the smartest person in the world and she said
$21.00.
choices? i cant tell without choices