For this case we have by definition, that the volume of a sphere is given by:

Where:
r: It is the radius of the sphere
If the radius is divided by 3 we have:


ANswer:
the volume decreases considerably because the denominator increases
Answer:
x=38/5
Step-by-step explanation:
distribute
Add 2 to both sides of the equation
Simplify
-2.54
Step-by-step explanation:
rockstar
21 * (-1) = -21
21 + (-1) = 20
Answer:
imaginary
Step-by-step explanation:

from the working strp, we know that the number is imaginary
we can't square root the negative number