use properties of operations to factor 8w + 16 using the gcf. (1 point) responses 8(w + 2) 8 left parenthesis w plus 2 right parenthesis 6(2w + 10) 6 left parenthesis 2 w plus 10 right parenthesis 4(2w + 4) 4 left parenthesis 2 w plus 4 right parenthesis 2(4w + 8)