Answer:
The mean will be the best instrument to measure Royston's performance
Step-by-step explanation:
hope this helps
Answer:
66 minutes
Step-by-step explanation:
<u>Solve for speed</u>
speed = distance / time
speed = 6 / 44
<u>Substitute in speed to second equation and solve for time</u>
distance / speed = time
9 / (6/44) = time
66 = time taken
Answer: The number of calories increased by 20%.
Step-by-step explanation:
Given : The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800.
Previous number of calories he used to burn = 1,500
Increase in calories = 1800-1500=300
Now , the percent increase in calories = 

Hence , the number of calories increased by 20%.