Find the equation of the line that passes through (1,3) and is perpendicular to 2y=2x-1 Leave your answer in the form of y=Mx+c

Which function has the same domain as y=2x

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?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.