10 + 9 • (−3) 2− (−1 + 8)

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?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83