Water goes over a waterfall at a rate of 162 1/2 gallons every 15 minutes. Which would not be a proportional you could use to solve for the gallons of water going over the waterfall in 2 2/3 hours? *more then one answer*

Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)

How do you determine whether a relationship represented as as graph is linear or nonlinear

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?