Thales, an ancient greek mathematician and philosopher, used certain triangles to find the height of unknown objects. he waited for the time of day when the shadow of a meter stick was exactly one meter long. at this exact moment, thales said the height of the unknown object would also be the same as the length of its shadow. what type of triangle was he using? explain why this theory works.

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

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?

How much orange juice do you need to make 2 servings of lemony orange slush?