matersons matersons 24-09-2020 Mathematics contestada Decide if each equation is true or false. 7⋅8=56 -7⋅8=56 -7⋅-8=-56 -7⋅-8=56 3.5⋅12=42 -3.5⋅-12=-42 -3.5⋅-12=42 -12⋅72=42