Which of the following is the greatest? 0.65 0.67 0.62 0.668?

0.668 is the greatest.
If you have trouble because they have different place values, you can just and a "0" and the end of the decimals and they will still have the same value. Just make sure to change it back before writing your final answer.

Horizontal change or the change of x

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .