Respuesta :

Answer:

1

Step-by-step explanation:

5m + 9n

5(-7) + 9(4)

-35 + 36

1

Answer:

1

Step-by-step explanation:

5m + 9n

Plug in the numbers

5(-7) + 9(4)

Multiply

- 35 + 36

Solve.

36-35=1