The only rule to follow is
Divide dividend by divisor and the mention the quotient and things left after remains in place of remainder
Here is a sample

Answer:
The answer is C
Step-by-step explanation:
I pick that answer because you have divide
Answer:
slope= 1/2
c
Step-by-step explanation:
part a)
m= 4 - 0 / 8 - 0
= 1/2
select two points on the line, and plug into this formula y2-y1 over x2-x1