Figure 3.42 shows four different adjustments of the sliders made in the grayscale image’s histogram. For each of the four image outlines in Figure 3.42 , label the areas with the resulting grays. Specify whether it is black, white, or gray. If it is gray, estimate an RGB value for that gray.

If matrix m is declared as int m[3][2]; and has been initialized to all 0's, what will be the contents of the matrix after executing the code fragment below, using the data shown?

``` int r, c; for ( int i = 10; i < 13; ++i ) { Data: 1 1 cin >> r >> c; 2 0 m[r][c] = i; 0 1 } ``` What will be an ideal response?

A spreadsheet is a tool for working with numbers.

Answer the following statement true (T) or false (F)