Answer:
1372 cm³
Step-by-step explanation:
Answer:
Neither arithmetic nor geometric.
Step-by-step explanation:
We have the following:

solving for x

The solution of x is equal to 28, therefore 12 is not a solution of the equation
Answer: 3,19 which is larger than the original
Step-by-step explanation: if you consider that the original average is 3 you can say that all 25 students have 3 siblings so the average is 3, if you add another students with 8 siblings and do some math (25*3+8)/26 its 3,19