Respuesta :

Answer:

1) -6/-10=3/5

2) -27/10x75/18 = -2025/180 = -135/12 (or) -11 1/4 (or) -11.25

3) 7+8-9=6

4) Billions

5) No, because you can't take a negative number of classes

Step-by-step explanation:

1) -6/-10=3/5

2) -27/10x75/18 = -2025/180 = -135/12 (or) -11 1/4 (or) -11.25

3) 7+8-9=6

4) Billions

5) No, because you can't take a negative number of classes