the solution is attached below
the tangential acceleration of car A = -9.8m/s^2
car B = - 13.44 m/s^2
car C = -6.16m/s^2
Answer: 9
Step-by-step explanation:
To square a number, you multiply it by itself twice.
In this case, your answer would be 3 x 3 = 9.
Hope it helps! :)