The point (6, 4) is reflected across the line y = –1. What are the coordinates of the image?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

43lbs of tomatos cost $387. how much would 41lbs cost

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?