Find the length x. Please help

Find the values of y: 3y^3(y^2+ 2/3y)=0

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

An of a of 60. a of 36 is . isbe ?to .