Find the slope of the line that passes through the points (2,3) and (2, -5)

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?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Ineed with this problem 21 show steps