What is the measure of Zx?

What is the measure of the smallest angle in the diagram? 15 29 32 45

How can (square root of 25) ^2 be rewritten?

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