Answer:
1: Positive
2: Negative
3: Negative
4: Negative
Step-by-step explanation:
Positive plus Negative equals negative.
Positive plus positive or negative plus negative equals positive.
Hope this helps.
Answer:
I think the working is actually unnecessary because of (x-c)=0 and if x is 5 (5-c)=0 c would be 5
Answer:
Step-by-step explanation: