<span>The total surface area is SA = 6 </span>×

;
SA = 6 ×

= 6 × 81 = 486

;
Answer: 
Step-by-step explanation:

if it matters then simply further...
4 + \sqrt{4i} = 
Amount of data you use is the dependent variable because it depends on how much you will pay
I believe the correct option is C.