Answer:
Option D: 
Step-by-step explanation:
we know that
The volume of Saturn is about 
The volume of Earth is about 
Dividing Saturn's volume by Earth's volume

Step-by-step explanation:
All has been answered... send me any questions at comments
with the equation of the slope for two points given, m=Y2-Y1/ X2-X1, you can obtain the slope , x1= 3, y1 = -1 , x2= -1, y2= 2
m = 2-(-1)/ -1-3 ⇒ m= 3/-4, m = -3/4, therefore the slope is - 3/4