2n 3 + 4n 2 - 7 and -n 3 + 8n - 9 what is the sum

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

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)