There's a strong negative association between the two variables.
Answer:
n=12
Step-by-step explanation:
7n-18 =5n+6
+18 to both sides
7n=5n+24
-5n from both sides
2n=24
divide by 2
n=12
Answer: 
<u>Step-by-step explanation:</u>
To eliminate the exponent, apply log to both sides. This allows the exponent to become the coefficient, which can then be divided from both sides.

Answer: The volume of the apartment is 2,160 ft3.
An hourly rating of 2.5 BTUs per cubic foot is required, so multiply the total volume by 2.5.
Arthur needs an air conditioner that will provide 5,400 BTUs to properly cool his apartment
Step-by-step explanation: