The right triangle below satisfies 0 cos(y). If this is true, type true. If this is false, type false and type the correct relational symbol: , or =, whichever makes the statement true.

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?

Find the commission on a $590.00 sale if the commission is 15%.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?