HELP PLZ I WILL GIVE BRAINLIEST

Given right triangle xyz, which correctly describes the locations of the sides in relation to

If angle 2=3x +1 and angle 3=2x +4what is angle 2

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?