Factorize
4a^2 - 9b^2 - 16c^2 + 24bc

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?

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Three consecutive integers have a sum of 234. what are the three integers