The sum of a rational number and an irrational number is always irrational. a.) false b.) true

How do i do this activity, is appreciated

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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