Answer:
9) A
10) B
11) That's an essay. So you hve to read the articles and write an essay on the prompt. I will give you a small sum up though.
Both these authors have expressed the need visual impaired/blind people need. Every year more blind people are born and the price of Braille products and learning keeps going up. These men created each a unique piece of technology that will be able to help the blind in an easier, more affordable way.
Hope it Helps!
:)