The shortcut key commonly used in spreadsheet software (like Microsoft Excel, Google Sheets) to make the selected text bold is Ctrl + B. When you press Ctrl + B, it toggles the bold formatting on or off for the selected cells or text. This shortcut helps quickly emphasize important data without using the mouse to access formatting menus.
In the spiral model of software development, the primary determinant in selecting activities in each iteration is ________.
The cyclomatic complexity metric provides the designer with information regarding the number of ________.
Three students, Neha, Rani, and Sam go to a market to purchase stationery items. Neha buys 4 pens, 3 notepads, and 2 erasers and pays ₹ 60. Rani buys 2 pens, 4 notepads, and 6 erasers for ₹ 90. Sam pays ₹ 70 for 6 pens, 2 notepads, and 3 erasers.
Based upon the above information, answer the following questions:
(i) Form the equations required to solve the problem of finding the price of each item, and express it in the matrix form \( A \mathbf{X} = B \).