sally592face sally592face 28-06-2021 Mathematics contestada can you help answer these: 1) (-3 ) * ( + 3 ) = ___ 2) ( - 3) * ( - 3)= ______ 3) ( + 20 ) ( + 5) = ____ 4) ( + 21 ) ( - 3 ) )= ___ 5) (-2) * (+3) * (- 4) = ___