Fiona wrote the linear equation y = X-5. When Henry wrote his equation, they discovered that his
equation had all the same solutions as Fiona's. Which
equation could be Henry's?
Ox-y=
Ox-y=
O-y
Ox-y=2/4x-5

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?