Devon found that for every miles he walks he needs one bottle of water he planted his water usage on a graph left out some possible points which ordered pair follows a pattern in the graph

What is the square root of 45? (step by step working plz)

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?

Nikolas calculated the volume of the prism. his work is shown below.