Answer:
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Step-by-step explanation:
ewgeg
Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

Answer:
They are parallels
Step-by-step explanation:
Answer: y = 6x + 400
slope = the increase in cost per extra plate
y-intercept = total cost