There really is no getting it back, if it is from a virus, then you need to buy a new computer. If it is something internal, depending on what type of computer you have it might just be best to buy a new one. Hope this helps :-)
The answer you seek would be C. I just took this test C. was the correct answer
9. C
10. B
Hope this helps!
It depends on what program you are running.
Answer:
this 0.061 or this 0.0611
Explanation: