
The sign at the end changes because both sides of the equation are being divided by a negative number.
Answer:
I am not sure, ig it's D...
I think it’s A but I’m not sure
Answer:
9
Step-by-step explanation:
The factors of 18 are : 1, 2, 3, 6, 9, 18
The factors of 27 are : 1, 3, 9, 27
The common factors are : 1, 3, 9
The gcf is 9