Answer:
The answer for first one is,

sorry I don't know the answer for second one.
Answer:
-2150000
Step-by-step explanation:
I hope this right cause my head hurt doing that
Answer: calculator boi
Step-by-step explanation:
<h2>3</h2>
Step-by-step explanation:
The equation of line passing through the two points is 
When substituted,the equation becomes 
which when simplified is 
The line clearly passes through origin.
The distance between two points is 
Distance between origin and
is
.
Distance between origin and
is 
Scale factor is 
So,scale factor is 
which when simplified becomes 3.