Last year, Middletown Middle School had 618 students enrolled. This year there 581 students
enrolled. What is the percent of decrease in the
student population at Middletown Middle School?

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

Which ordered pair is a solution of the equation? 2x+3y=10

Which pair of expressions is equivalent? a 7(1–k)and7–k b 7(1–k)and1–7k c 7(1–k)and7–k d 7(1–k)and7–7k