The GCF is 8.
You need at least two expressions to find something in common between them. The GCF of 2x and 10 is 2.
35, 70, 105, 140, 175, 210, 245, 280, 315, 350
The GCF is 4x.
9 This expression can be simplified to: 9x
The GCF is 35.
The expression for 175 is 175, the expression for 280 is 280! Are you sure you meant "expression"?
The GCF is 7.
The GCF is 35.
Whatever equals 35.
The GCF is 35.
I don't know what expressions you have to choose from, but make sure you end up with something equaling 35.
The GCF is 70.
The GCF is 4.
The GCF is 70.
The GCF is 40.
The GCF of 531 and 280 is 1.