What is the smallest positive integer x such that 66-x is the cube of a positive integer	Select:
A) 5  B) 7  C) 47  D) 9  E) 2
Given 66-x is a perfect cube   so we will take 64 = 4*4*4   66-x = 64   x =66-64= 
<gadget id="calculator">66-64</gadget>
<output>2</output>
2   correct option is 2
<result>E</result>
What is the smallest positive integer x such that 66-x is the cube of a positive integer