A method in a subclass is said to ______ an inherited method if it has the same method declarations as the inherited method.

In a complementary pair of methods, one method "____" the actions of the other.

A. verifies B. defines C. undoes D. builds upon

A mask layer ____.

A. hides the contents of the layer below it B. can be used to create a highlight effect C. both a. and b. D. neither a. nor b.