Anyone know? Please read the question and instructions correctly

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply