At a community center, you want to rope off an area that is adjacent to a building. The length of the building is 10 ft. You have 42 ft of rope. What are the possible widths of the roped-off area?

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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 expression is the factorization of x^2+10+21