Respuesta :

1.C negative by a negative is positive
2.B an even amount of negatives is a positive
3.A 12 * -2 (12 months in a year)
4. C 8*-6=-48  -48/-2=24
5.B  5(-10)=-50 20+(-50)=30
6.B  -12(5)=-60   -45+(-50)= -105
7. A, -64