Uma companhia de seguros vendeu apólices a cinco pessoas, todas da mesma idade e nas mesmas condições de saúde. A companhia sabe, por meio de estatísticas atuariais, que decorrido 30 anos após a emissão da apólice, qualquer dessas cinco pessoas tem probabilidade 3/4 de estar viva. Qual é a probabilidade de, 30 anos depois: Pelo menos três pessoas estarem vivas?

What’s the answer ? use the picture to see the problem

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.