Answer:
The image of truth table is attached.
Explanation:
In the truth table there is a separate table for the expression (A+B).C and for the expression (A.C)+(B.C) you can see in the truth table that the columns of (A+B).C is having same values as the (A.C)+(B.C).Hence we can conclude that (A+B).C is equal to (A.C)+(B.C).
Its a gadget that helps organize cards/ a rotating file device.
Answer:
Around seven billion people
Answer:
Create a shortcut on the toolbar
Explanation:
You can use process of elimination. alphabetizing would not help to find it quicker, but it is an easier way. Deleting all icons wouldn't help at all. And placing all icons in a folder would make it even messier. So, it is creating a shortcut. Plus, I got it right on my test :)