Answer:
12
Step-by-step explanation:
Volume of a sphere = 4/3 pi r^3 r = 3 for this one
volume = 4/3 pi (3^2) = 36/3 pi = 12 pi units^3
Common factors -10/15 -9/15
Subtract -19/15
Your answer is -19/15
Well, you should probably check with somebody else but i had got 26.5 or 26 1/2. I'm not sure if that is correct due to it saying to use quadratic equations. Sorry