What is the sum of one and the product of one and a number x

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 are the solutions of the following system? y=-2x^2 y=x-2

What is 140 squared pleas me i am dumb