Adrian can walk 3 miles in 9 minutes x, need this solved asap

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?

Im literally having a mental breakdown

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab