Answer:
sorry I cant really see with what. I recomend checking out some toturing servesices
Step-by-step explanation:


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The two cases are :
or
- a -4 = 0, that leads to a = 4
We can conclude :

Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Number 3 is 7
Number 4 is 3
And number 6 is 9
Im sorry I dont know the rest.
I hope this helps.