its the third answer
Step-by-step explanation:
and its only 5 points not 30
Answer:
2.5 hrs
Step-by-step explanation:
first you have to divide the number 12.5 and 5 because it says at the speed of 5 miles per hour. So when you do 12.5 divided by 5 it equals 2.5.
The standard deviation is the square root of the variance
so if the variance is 196, then the standard deviation is the sqrt of 196, which is 14