Answer: Close or disable all unused running apps.
Explanation: when unused apps keep runningon the device, it will make the device to keep lagging, thereby reducing it efficiency. But once those apps are disabled or closed and the system is probably restarted, the device will regain it efficiency back.
 
        
             
        
        
        
Liam a would need to contact the software developer. So the answer is B
        
             
        
        
        
Answer:
Try checking around on the router!
Explanation:
Assuming they haven't changed it, most routers have their default password displayed somewhere on it. I hope this helps!! ^^
 
        
                    
             
        
        
        
Answer: Option C is correct
Explanation:
Option C is correct