Which setting displays multiple thumbnail-sized copies of the same image in columns and rows across the desktop?

The ________ Movement is a thriving community of programmers building sample projects

Fill in the blank(s) with correct word

A recursive method that computes the number of groups of k out of n things has the precondition that ______.

a. n is a positive number and k is a nonnegative number b. n is a nonnegative number and k is a positive number c. n and k are nonnegative numbers d. n and k are positive numbers