I don't have a clue what this a0 at the right stands for, but if we neglected it, we can solve the problem.

So the answer would be 25.
Hope this helps.
Answer:
A
Step-by-step explanation:
Conjectures are conclusions formed from evidences. Steven's conjecture that:
is true because:
or
for 
Given that:

Split the inequality as follows:
or 
Take the cube of both sides
or 
Evaluate all exponents
or 
Steven's conjecture that:
is true because:
or
for 
Read more about absolute inequalities at:
brainly.com/question/4688732