Which complex number will be located above the real axis and to the left of the imaginaty axis

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?

Explain why the factor 1.5 is broke. into two numbers in the model.

Measure of angles 31 (x+4) (3x+9) me