A conjecture and the flowchart proof used to prove the conjecture are shown. Given: Measure of angle B C D equals 45 degrees. Prove: Triangle A C B is an obtuse triangle. Art: Triangle A B C. A ray passes through point D that extends horizontally right forming an exterior angle B C D. Drag an expression or phrase to each box to complete the proof.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?