I only need #8, but if you want to do the others you can.

2 answers:

7 0

Ralphs is 7.5x+10
frank’s is 10x

6 0

The answer is 10x, hope this helps

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devlian [24]

Answer:

solution is: plus -2

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Taya2010 [7]

Answer:

Step-by-step explanation:

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