Answer:
The answer for first one is,

sorry I don't know the answer for second one.
Step-by-step explanation:
2+2=4 so 4
Let call it x
x/4=4/2
->x=8
Answer: 42
Step-by-step explanation: 35 divided by 5=7 so 35+7=42
1584 lightbulbs would be defective out of 4400