6 x 5 x 2.5 =
pls help

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Tell whether the two rates form a proportion