2
Factors of 8: 1, 2, 4, 8
Factors of 6: 1, 2, 3, 6
Factors of 10: 1, 2, 5, 10
Answer:
It could be to: collect data from a sample of every twentieth student who arrives at school one day
D. 7
e. 4
f. 5
g. 11
Get these by adding/subtracting the number at the end (use the opposite operation) and then divide the coefficient from both sides.