Think about plotting points in the complex plane to represent the following numbers: -3+8i

4i

6

5-2i

A coordinate plane is labeled quadrant 1 in the uppercase-right quadrant, quadrant 2 in the uppercase-left quadrant, quadrant 3 in the bottom left quadrant, and quadrant 4 in the bottom right quadrant.

Find x to the nearest hundredth place

Factor the monomial completely 42a3b3

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?