Hello! please can i have help on this question, it is; There are reported to be 36,000 people running in the london marathon in 2013. what is the highest value that this could be?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

What is the area of the triangle 10 13 12

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?