Below are statements that can be used to prove that the triangles are similar. On a coordinate plane, right triangles A B C and Z Y X are shown. 1. StartFraction A B Over Z Y EndFraction = StartFraction B C Over Y X EndFraction = 2 2. ∠B and ∠Y are right angles. 3.? 4.? Which two statements are missing in steps 3 and 4?

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?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Which graph of a hyperbola represents the equation 16x^2-y^2=16