In the diagram, a building casts a 21-ft shadow and a flagpole casts a 6-ft shadow. if the flagpole is 15 ft tall, how high is the building? round to the nearest tenth.

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