I need help on this can anyone help

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is