Convert this exponential function to a logarithmic function:
19 = 2 ( x + 1)

2÷6+1/2 to the second power plus one

If i have one apple and give you the apple, how many apples do i have?

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?