Answer:
A.)

Explanation:
To find the volume of the sphere, you need to use the following equation:

In this equation, "V" represents the volume (units³) and "r" represents the radius (units). Since you have been given the value of the radius (r = 5 units), you can use it to solve the equation.
<----- Volume equation
<----- Plug 5 into "r"
<----- Solve 5³
<----- Multiply
and 125