I’m not sure ut I think it’s negative because the change is negative
Prime factors of 42: 2x7x3
prime factors of 126: 2x3x3x7
prime factors of 210: 7x3x5x2
now we multiply all the factors that they all have in common: 2x3x7 which is 42. So the highest common factor is 42
It is 9 7/5 I did this question in school lol
Answer: 3.9
Step-by-step explanation: calculator
1. 39 divided by 4 divided by 2.50
