Evaluate the following expression. Which step contains the mistake made in solving this expression? 16 + 3(5 - b) + 2whereb = 3 A) 5 - 3 = 2
B) 16 + 3 = 19
C) 19 x 2 = 38
D) 38 + 2 = 40

help me pls​

“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 .

A. is the answer in this question