Mark is five feet tall. Anthony is 10% taller than Mark, and Kelsey is 7% taller than Mark. About how tall is Kelsey in feet and inches? 1) 5 feet and 11 inches.
2) 5 feet and 6 inches
3) 5.385 feet
4) 5 feet and 7 inches

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

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?

W-16=-12 solve each one step equation plz