Please help 10 points

In trapezoid bath, ah=19.7 and et=16.1. identify be.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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.