A plane initially at 28000 feet is decending at 1800 feet per minute. A second plane initially at 1500 feet is climbing at a rate of 2300 feet per minute. How many minutes will it tske for the planes to be at the same altitude?​

How can we find the measure of an exterior angle if we know the measurement of an interior angle

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

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?