What two integers have a sum of -7 and a product of -18?

(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

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Can someone tell me if this is perpendicular? !