Answer:
Line symmetry
Step-by-step explanation:
If you drew a straight line across the figure horizontally, you would see that both halves are symmetrical.
Just add the numbers of the groups 20-34 years and 35-49 years
Answer:
1st Blank: 5
2nd Blank: 3
3rd Blank: -8
4th Blank: -8
5th Blank: 12
Step-by-step explanation:
15x+35y=-100
-15x+9y=-252
___________
44y=-352
___ ___
44 44
y=-8
3x+7(-8)=-20
3x-56=-20
+56 +56
__________
3x=36
__ __
3 3
x=12
<h3>
Answer: 4</h3>
========================================================
Work Shown:

Note in step 2, I factored each number in the square root to pull out the largest perfect square factor. From there, I used the rule that
to break up the roots.