Evaluate the following expression:
I. 7+5
II. "7" + "5"
III. c. 7 * 5 d. 7/5
IV. e. 7 % 5
2. Develop the segment of Script which would ask the user if he wish a greeting message and if he does, display a Gif file named Welcome .gif and display "Welcome to Netscape Navigator!" in the document window following the Gif
3. Write down the object definition for an object called car along with four properties, make, model, year and price.