Which of the following expression eqaul to -4x^2-36

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.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Ten times the square of a non-zero number is eqaul to ninety times the number