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).
Answer:
I'm not a big tech head but I know that creating a restore point is highly recommended for changing anything that you aren't 100% sure about to your computer.
1 inch (2.54 cm
the default top and bottom margins were 1 inch (2.54 cm), but 1.25 inches (3.17 cm) were given at the left and the right.
That's standard for document size by default.