4. A) Joe types 200 words in 12 minutes, how many does he type per minute?

“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 .

Ibelieve the answer is b. y=0 would make the line horizontal across the x.