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

I'm gonna use c for circle, t for triangle, and s for square
c+t+s=13
t+s=8
c+8=13
c=5
c+t=7
t=2
s=6
circle is 5, triangle is 2, and square is 6
Answer:
The number of men to number of women be 7 : 8 .
2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)
-2x=-5
x=-5/2
2x-8=0
2x=8
x=4
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