Find the length of place pint at and sea and now you have the right with as the hypotenuse find
Answer:
The null hypothesis is 
The alternative hypothesis is
Step-by-step explanation:
From the question we are told that
The mean of method A is
The standard deviation of method A is
The mean of method B is
The standard deviation of method B is 
An appropriate set of null and alternative hypothesis to determine whether Method A increases students points by more than 3 points is
The null hypothesis is 
The alternative hypothesis is
For the first Q the answer is the first square on the left 10 miles divided by 12 hours = 0,83 miles
And the second Q goes with the last square 12 hours divided by 10 miles = 1.2 h which in minutes is 72 minutes or 1h and 12 minutes.
The rate of trip 2 is 5 km/h
The time of trip 1 is 0.9-x hours