The correct answer is C.
To determine the tone of a text, you have to look at the word choices of the text and see what effect they have on the text
Rephrase the sentence:
Who types fast on a word processor?
She types fast on a word processor.
Your answer is going to be:
No one types as fast as she on a word processor.
The answer would be political stability and economic growth
1. Square Unit
2. Base
3. Formula
4. Perimeter
That's simple