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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?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose