Add the numbers from the three sliders to determine the mass
Answer:
the first choice
Explanation:
The reason why it is the first choice is because you would need to experiment twice before concluding your experiment one has to be normal height and the second test has to be higher also the mass on the car also is a factor to the experiment.
Yes because the restaurant owners wouldn’t know who he / she was so they would treat the reviewer just like any other customer.