Answer:

Step-by-step explanation:






50+2x=100
-50 -50(subtract 50 from both sides)
2x=50 (divide both sides by 2)
x=25
The answer is the 1st graph. This is because a square have 4 sides and it is all the same. on the x axis (Side length) when it is 4 the perimeter (Length around the outside) will be 4 x 4 which is 16.
Hope this helps?
Answer c
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
1-1=0
It's common knowledge that 1-1=0 so I dont know how to explain it any further