Answer:
Factoring
Step-by-step explanation:




and 
Answer:
3x - 4 and 2x + 15
Step-by-step explanation:
Answer:
In 2 2/15 hours, the prices will be same
Step-by-step explanation:
I hope this helps :)
All you need to do is plug in some x values and find the correspoding y value
when x=0, y=-3
when x=1, y=9
when x=2, y=21
when x=-1, y=-15
Answer:
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