Answer:
B 4 seconds
Explanation:
You should stay 4 seconds away from a vehicle at all times at the same speed as the other vehicle or vehicles.
 
        
                    
             
        
        
        

By definition a computer is an electronic device used to store and compute data. So, by definition a calculator stores and interprets data/numbers, and that makes it a computer. However, a computer can also use programs, and manipulate stored data to complete those programs.
hope it helps!! :D
 
        
             
        
        
        
No, printed versions of your presentation that contain the slides and blank lines below are not called speakers notes. 
Speakers notes are notes that are hidden within a PowerPoint presentation and allowing the speaker to refer back to them during the presentation. 
 
        
                    
             
        
        
        
True, sites such as kickstarter and just giving are fantastic examples of such.