[Due Tomorrow] Answer using steps. 69° 5.7 cm
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Find and classify the slope of the line through each pair of points (2,,-16)

Solve 2x+y=3 x+y=5 in substitution method

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?