I'LL GIVE BRAINLIEST, 5 STARS, AND A THANKS! 30 POINTS! I will report people. Plsplspls help me :( I've been looking at this for forever and can't figure it out.
Evaluate the equation and determine the error made.

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?

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi