Melissa flower shop charges $3 per rose plus $16 for a delivery chris wants to have a bouquet of flowers delivered to his mother which value is in the range of the function that given the bouquet cost in terms of the cost of the roses

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

What is not true about kl and mn? what is mn? (show your work)

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?