Triangles ABC and PQR are given. ABC = PQR by SAS. If m m AB = 5y-7,
and PQ = 3y - 1,
then which of the following statements are true? Select all that apply.

A) AB=8
B) m C) y=1
D) x is seven units greater than y.
E) M F) PQ= 3

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.