I need help, I will put as brainiest 15 points. pls help

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Sketch one cycle if the cosine function y=2cos2theta

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2