C. Encircle the factor pair whose sumn is 8 3. Factors of 12 (6); (2) (4); (3) (12);(1) (-6):(-2) 4. Factors of 16 (-4); (-4) (3); (2) (4); (4) (16):(1) 5. Factors of -15 (5) (3) (5):(-3) (-5);(-3) (-15);(1)​