Answer:
The jogger will burn 277.5 calories
Answer:
.5236
Step-by-step explanation:
Formula for sphere volume:
V = 
substiture 0.5 for r:
= .5236
Answer:

Step-by-step explanation:
Given

Required
Factorize
To start with; we need to group the expression into two

Factorize each grouped expression, using their common factor

From the list of given options;
Option A is correct