Expanding logarithmic expressions in exercise, use the properties of logarithms to rewrite the expression as a sum, difference, or multiple of logarithms.
in (x^2(x - 1))1/2

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The tile along the edge of a triangular community pool needs to be replaced? ?