What is a significant benefit of light painting?

When several worksheets are grouped, inserting a row ________

A) inserts it only into the first worksheet in the group B) inserts it into all of the worksheets in the group C) displays an error message D) fails to insert a row into any of the worksheets in the group

A nonmember function must be declared as a(n) _________ of a class to have access to that class’s private data members.

Fill in the blank(s) with the appropriate word(s).