Kimi wants to determine the radius of a circular
pool without getting wet. She is located at point ,
which is 4 feet from the pool and 12 feet from the
point of tangency, as shown in the accompanying
diagram.
1211
What is the radius of the pool?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

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