Jessica solved for the correct value of a, but Sally's review was incorrect.
Answer:

Step-by-step explanation:





Step-by-step explanation:
Marla drove 567
Gudio drove 560
The trip was 679
The answer you are looking for is A, I'm a little rusts at these but that should your answer have a good day!
Answer:La media aritmética es la suma de todos los datos dividida entre el número total de datos :)