Jasmine is thinking of a two-digit number. When the ones digit is subtracted from the tens digit, the difference is 3. One half of the number is 5 more than three times the sum of the digits. If x represents the ones digit and y represents the tens digit, which of the system of equations shown above represents the situation?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

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?