What is the halfway point between Redwood City and Sacramento?

How do you instal the Tritton 4-USB Port Network Hub & Switch? What are pros and cons for a computer mouse? Two devices that can be used to protect computer from fluctuations in electricity? What is a questioned document? Which of the locations represent the greatest danger in encountering misinformation? What file types does Android support? Is dcim a storage card? Do you need to keep the setup file after you have installed the program correctly? What do you do when your laptop drive d is full? Lg led 32 le5500 or sony led klv32ex600 or samsung led c5000 or which 1 should i choose or if any other is better in 32inch? How do you send a fax to shanghai? What are attachment sites called? A precursor to the modern computer the difference engine was the creation of what inventor? What are standard desk dimensions? How do you relocate your task bar icons from top to bottom? Is the ribbon displayed at the bottom of the screen? How do you go to binary mode in vi? Can you use the USB kindle to connect to the internet? What does a process include? Hello got 2 dell laptop batteries one is 6600mAh and capacity 49 WH other is 4800mAh and capacity 53WH that's what is said on the back of them I'm confused which is bigger and what is wh and mAh tnx?