Where can i find my math workbook online because slander isn't working

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?

What is the measure of one interior angle of a pentagon

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.