<span>Dragging or sizing affects only a "Selected Object." For example, an image, you need to click the image in order for you to select that image. The image is considered as an object. From the time you click on the picture, there are points visible where you can click and drag upon it nor resize.</span>
Answer:
For listening sake
To listen to information from the computer
They receive audio input from the computer's sound card and produce audio output in the form of sound waves.
So in developing a presentation outline, the first thing that we are going to do is to introduce what it is all about. This means that the main points come first. After the main points, follow the sub points. The sub points serve as the explanation of the main points. After the sub points are the illustrations and examples. These are already the specifics which support the sub points and the main points. Therefore, the answer is A.
Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.
