Your question doesn't make any sense. If it is a math question, you need to type a WORD for the function, such as "What is 7 divided by 5?" or whatever.
yes
If you ask some questions, people will try to give you some answers. However, some questions are not answerable if the question doesn't include enough details.
Some text books answers are on the internet
150
Some people do. But most people give thoughtful answers.
Some people, called vandals, enjoy vandalizing answers.
is-75
Most answers are correct, but some answers are wrong, so the majority of the time the answers are true, but occasionally not.
% rate of correct answers = (75-8)/75 *100% = 89.33%
The answers are what people give, there is no control over the answers people give and therefore no bias is possible. However some answers could be wrong!. If you perceive the answers to be biased then the bias is what you bring to your observation.
There is no such place. Perhaps you mean "England". But how can we give you answers if you don't tell us the questions?
some tutoring websites give a couple free math answers