Volt-Amp (VA) and wattage (W) ratings for UPS units are interchangeable

Which statement best describes the relationship between superclass and subclass types?

a. A subclass reference cannot be assigned to a superclass variable and a superclass reference cannot be assigned to a subclass variable. b. A subclass reference can be assigned to a superclass variable and a superclass reference can be assigned to a subclass variable. c. A superclass reference can be assigned to a subclass variable, but a subclass reference cannot be assigned to a superclass variable. d. A subclass reference can be assigned to a superclass variable, but a superclass reference cannot be assigned to a subclass variable.

Assume that the data on a worksheet consume a whole printed page and two columns on a second page. You can do all of the following except what to force the data to print all on one page?

What will be an ideal response?