Answer:
1
Step-by-step explanation:
5m + 9n
5(-7) + 9(4)
-35 + 36
Plug in the numbers
Multiply
- 35 + 36
Solve.
36-35=1
the answer is 37..............
1. C
2. B
3. D
4. A
5. B
When x =3 y=-1
X =2 y =0
X=0 y =3
X = -1 y=6
So c g d f true