I think it’s the second one sorry if i’m wrong
You can not use either of them because neither of them have a variable= to the eqaution
ex.) y= 3x+25
Answer:
X=sigma xi/no of observation
5= (?) /4
5*4=sum of all numbers
20=sum of all the observation
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Answer: of each shape? 3 & 4?
Step-by-step explanation:
2x +8=2x+8
2x-2x=8-8
0x=0
So the answer is 0