(100 POINTS)The table below shows Karen's distance during the marathon. What is Brianna's rate of change for the first 2 hours of the race?
12 miles per hour
2 miles per hour
6 miles per hour
3 miles per hour

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

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?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm