The height of a rocket, in meters, is approximated by the polynomial -5t^2+45t+4 where t is time in seconds after the rocket's launch. What is the height of the rocket after 3 seconds? A.124 meters
B.109 meters
C.86 meters
D.94 meters

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