Ava has been asked to create the advertising art for the school skating party. she is using paper that is 15.5 inches wide. the border should be 0.75 inches on all sides. she has been working on a design that is 14.5 wide. can she use this design?

49xy +34y - 72z. determine the degree of the polynomial

Consider the graph of the exponential function y=3(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?