Aline, segment, or ray which divides the interior angels of a triangle into two equal parts what is it?

Which of the following describes the symmetry of the graph of y = x3?

Select all the statements that apply to this figure

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?