Answer:

Step-by-step explanation:
<u>Step 1: Convert into an equation</u>
Nine less than one forth of a number is 6

<u>Step 2: Add 9 to both sides</u>



<u>Step 3: Multiply both sides by 4</u>


Answer: 
Answer:
I can't understand.. can you add pictures also
You normally use pie in equation that had the circumference or radius or diameter. !<span />
Answer:
Sphere Formulas in terms of radius r:
Volume of a sphere: V = (4/3)πr.