I need to know the ladies opinion this or this

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?