Answer:

Step-by-step explanation:
Substitute the second equation into the first one:

Substitute
into the second equation:


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Answer:
The equation is y= 0,65 x
Step-by-step explanation:
It would be c. y = x because if you plug in the numbers, it would be true
Answer:
Step-by-step explanation:
<u>This is a linear relationship y= mx + b and:</u>
- The y-intercept is b = 12.60
- The slope is m = 0.64
<u>The monthly total is:</u>