If y represents a student's age, which inequality shows that you must be older than 14 to try out for the basketball team?
A y < 14
B. y > 14
c. y > 14
D. 14 = y

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?

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6