Answer:
A. (5,1)
B. (5,7)
E. (2,1)
Step-by-step explanation:
Answer:
i don't know I don't have ideas
His monthly bill before he installed the new windows was $339.074...
<u><em>Explanation</em></u>
Suppose, his monthly bill before he installed the new windows was
dollar.
As his energy bill was decreased by 7.1% per month after installation, so <u>the amount of bill decreased</u>
dollar
Given that, his new energy bill was $315. So the equation will be...

So, his monthly bill before he installed the new windows was $339.074...
The value would have x being equal to 3
Answer: 4 7/6
Step-by-step explanation: