Answer:
The answer is A
Step-by-step explanation:
In order for it to be a function every x value has to have a different y value or every input has to have a different output.
0.7(3s+4)-1.1s=7.9 equals s=5.1
$4.99 for each pair of socks
4(5x-20)=-20
20x-80=-20
20x=60
x=3
Answer:
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