The following chart shows the number of concert tickets sold and the profit earned. What is the slope of the line through these points? a. -1/4
b. -1/2
c. 4
d. 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?

Can someone explain to me how to do

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute