What is the recursive rule for the endangered turtles?

Which of these choices show a pair of equivalent expressions?

Find the distance between (7,-6) and (-3,-9)

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