Answer:
The answer is 890 . ...... :D
Answer:
The bill size can be considered usual.
Step-by-step explanation:
Mean (μ) = $108.43
Standard deviation (σ) = $36.98
Now, consider the distribution to be normal distribution :

Now, finding values of z-score from the table. We get,
P(Z > 1.75) = 0.9599
⇒ 95.99%
So, only 4.01 % of the people in the city wastes water.
Hence, the bill size can be considered usual.
The answer to your question is (2,-6)
It is the first equation, 3x-y=-7.
It is the only equation that both sets of points satisfy as true.