Kofi is 3yrs older than Ama if Ama is now xyrs old, what is Kofi's age​

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?

Simplify. 3(4+4x) (type your answer in with no spaces)

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section