What conditions, if any, must be placed on a, b, and c in each of the following to make sure that the operations can be performed within the set of whole numbers? a. aminusb b. aminus(bminusc) Question content area bottom Part 1 a. Select the correct answer below. A. aequalsb B. aless thanb C. bequals0 D. agreater thanb E. anot equalsb F. aless than or equalsb G. agreater than or equalsb H. No restricting conditions are necessary