If the first and last names are combined in a column of a worksheet, the data can be converted to display in two separate ________

Suppose x=10 and y=10 . What is x after evaluating the expression (y > 10) && (x-- > 10)?

a. 9 b. 10 c. 11

A(n) ___________________ is any external program that adds features and functionality to another while working from within that program.

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