Answer:
to find the mean you must add all of the numbers in a data set together and then divide by how many numbers there are.
Answer:
Step-by-step explanation:
what he said was he right answer
Answer:
Between 7 and 14
Step-by-step explanation:
X=3 because you subtract the three on both sides to get x alone. So you get: 7x=21 then you divide seven by 21 and get x=3
Your answer would be 125.4 cause the number is too small to be 130 so yeah hope this helps
