Which expression is NOT equivalent to 14a - 30 + 16a? 14a - 30 + 16a

30(a - 1)
6(5a - 5)
15(a - 2)
5(6a - 6)

I BEG YOU
I WILL GIVE BRAINLIEST

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