Question

N+m-p; use m = -12, n = 4, and p =-9

Answer 1

-17

Explanation:

4+-12-9

(4+-12)=-8

(-8--9)=-17

Answer 2

1

Explanation:

note that - (- ) = + , + (- ) = -

n + m - p ← substitute given values

4 + (- 12) - (- 9)

= 4 - 12 + 9

= - 8 + 9

= 1