The radius of the largest circle is 8 inches. Find the area of the shaded region

(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

It says factor each expression 49x-28?

Ineed to know the answer to this algebra question.