What is the distance between points (-5, 5) and (2, 3)

Which of the following statement about pascal's triangle are true?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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