2x-4+5=8 what does x equal

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Rationalize the denominator- 12x/√x-10

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