Find the greatest common factor of the following monomials: 20a 46a^2 48a^6​

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Can someone me out here and the tell me the greatest common factor

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?