Find sin (45+theta) - cos(45-theta)

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?