Find the values of x and y

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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